https://keepdrybag.com/blog Technical guides on dry bags, roll-top closures, TPU construction, waterproof testing, field care and production specification. en-us Fri, 02 Oct 2026 09:00:00 +0800 https://keepdrybag.com/blog/20l-vs-30l-dry-bag https://keepdrybag.com/blog/20l-vs-30l-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 A 20L dry bag carries 4 to 7 kg for one or two days; a 30L carries 7 to 12 kg and a sleeping bag. Dimensions, usable litres and cost per litre compared. Buying & Comparisons https://keepdrybag.com/blog/420d-vs-500d-dry-bag-fabric https://keepdrybag.com/blog/420d-vs-500d-dry-bag-fabric Tue, 10 Feb 2026 09:00:00 +0800 420D or 500D dry bag fabric: real grammage, tear and abrasion numbers, weld behaviour, weight cost per bag and which denier suits which activity. Materials & Construction https://keepdrybag.com/blog/5l-vs-10l-dry-bag https://keepdrybag.com/blog/5l-vs-10l-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 5L or 10L dry bag: usable volume after three folds, real packed weights, what fits in each, cost per litre and the activities where each size wins outright. Buying & Comparisons https://keepdrybag.com/blog/travel-repair-kit-for-dry-bags https://keepdrybag.com/blog/travel-repair-kit-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 A 200 g travel repair kit for dry bags: patches, adhesive, prep tools and spare hardware, with cure times, temperature limits and field repair steps. Care & Repair https://keepdrybag.com/blog/rainy-commute-waterproof-setup https://keepdrybag.com/blog/rainy-commute-waterproof-setup Tue, 10 Feb 2026 09:00:00 +0800 A waterproof setup for the rainy commute: bag format, laptop pouch, three-layer packing and drying routine for a 30-minute ride or walk in 20-50 mm/h rain. Travel & Packing https://keepdrybag.com/blog/aql-inspection-for-dry-bags https://keepdrybag.com/blog/aql-inspection-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 What an AQL 2.5 inspection really checks on a dry bag order: sample sizes, defect classes for welds and closures, and how to read accept and reject numbers. Waterproof Technology https://keepdrybag.com/blog/abrasion-resistance-of-tpu https://keepdrybag.com/blog/abrasion-resistance-of-tpu Tue, 10 Feb 2026 09:00:00 +0800 How TPU dry bag laminates actually wear: what Martindale and Taber figures mean, how 0.5 mm film survives beach sand, and the wear points that fail first. Materials & Construction https://keepdrybag.com/blog/airport-security-with-dry-bags https://keepdrybag.com/blog/airport-security-with-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Airport security with dry bags comes down to three numbers: 100 ml per liquid, one 1-litre resealable bag, and a 55 x 40 x 20 cm cabin footprint for most carriers. Travel & Packing https://keepdrybag.com/blog/are-dry-bags-airtight-for-electronics https://keepdrybag.com/blog/are-dry-bags-airtight-for-electronics Tue, 10 Feb 2026 09:00:00 +0800 Dry bags block liquid water but are not airtight: a roll-top vents under pressure and condensation does more harm than splashes. Real figures for phones, cameras. Dry Bag Answers https://keepdrybag.com/blog/are-dry-bags-really-100-percent-waterproof https://keepdrybag.com/blog/are-dry-bags-really-100-percent-waterproof Tue, 10 Feb 2026 09:00:00 +0800 No waterproof claim is absolute: IPX7 means 30 minutes at one metre, not forever. Here is what the ratings certify, why bags leak, and how to test one at home. Dry Bag Answers https://keepdrybag.com/blog/avoiding-crease-damage-on-dry-bags https://keepdrybag.com/blog/avoiding-crease-damage-on-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Creases are how waterproof film fails: fold strain, cold-crack limits, storage radius, repair temperatures and the four grades that mean a bag is finished. Care & Repair https://keepdrybag.com/blog/beach-day-organisation https://keepdrybag.com/blog/beach-day-organisation Tue, 10 Feb 2026 09:00:00 +0800 Organise a beach day with four zones, real capacities and a sand plan: how much waterproof volume each person needs, where to put the bags, and a 12-minute reset. Travel & Packing https://keepdrybag.com/blog/best-dry-bags-for-kayaking https://keepdrybag.com/blog/best-dry-bags-for-kayaking Sat, 03 Oct 2026 09:00:00 +0800 Best dry bags for kayaking: welded roll-top bags at 5L on deck, 10-15L in the cockpit, 20L up for overnights. Sizing tables, feature checklist and care notes. Activity Guides https://keepdrybag.com/blog/bikepacking-handlebar-dry-bag-setup https://keepdrybag.com/blog/bikepacking-handlebar-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 A handlebar dry bag setup guide: capacity from 5L to 20L, bar clearance, harness options and load limits for gravel and bikepacking rides, with measured weights. Travel & Packing https://keepdrybag.com/blog/biodegradability-claims-explained https://keepdrybag.com/blog/biodegradability-claims-explained Tue, 10 Feb 2026 09:00:00 +0800 What biodegradable, compostable and bio-based really mean for dry bags: the standards behind each claim, the certificates to trust, and how to spot greenwashing. Sustainability & Compliance https://keepdrybag.com/blog/branded-dry-bags-for-resorts https://keepdrybag.com/blog/branded-dry-bags-for-resorts Tue, 10 Feb 2026 09:00:00 +0800 Spec branded dry bags for resorts: pool, beach and excursion formats, logo methods that survive chlorine, and cost-per-season maths for a loaner fleet. Design & Branding https://keepdrybag.com/blog/bucket-dry-bag-vs-roll-top https://keepdrybag.com/blog/bucket-dry-bag-vs-roll-top Tue, 10 Feb 2026 09:00:00 +0800 Bucket dry bags give a 280 mm mouth and stand upright; roll-tops compress to a third of their height. This comparison covers access, weight, lashing and cost. Buying & Comparisons https://keepdrybag.com/blog/dry-bag-colour-range-guide https://keepdrybag.com/blog/dry-bag-colour-range-guide Tue, 10 Feb 2026 09:00:00 +0800 Plan a dry bag colour range that sells: four to six colourways, Delta E tolerances, ISO 105 fastness targets and the real cost of another shade. Design & Branding https://keepdrybag.com/blog/building-a-dry-bag-product-line https://keepdrybag.com/blog/building-a-dry-bag-product-line Tue, 10 Feb 2026 09:00:00 +0800 Build a dry bag product line with five sizes, three price tiers and one shared hardware platform: use case matrix, size ladder, compliance and cost structure. Buying & Comparisons https://keepdrybag.com/blog/patch-kit-for-tpu-dry-bags https://keepdrybag.com/blog/patch-kit-for-tpu-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 A working TPU patch kit weighs about 120 g: what to pack, which adhesive bonds to TPU, how to prepare the surface, and when a repair is not worth doing. Care & Repair https://keepdrybag.com/blog/buoyancy-science-of-dry-bags https://keepdrybag.com/blog/buoyancy-science-of-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 A sealed 20L dry bag displaces 20 kg of water: how enclosed air, load density and depth decide whether it floats, and why it is never a buoyancy aid. Waterproof Technology https://keepdrybag.com/blog/bushcraft-dry-bag-size https://keepdrybag.com/blog/bushcraft-dry-bag-size Tue, 10 Feb 2026 09:00:00 +0800 A bushcraft weekend needs 25 to 40 litres in three bags: kit volumes by weight, sleeping bag sizing, sharp tool protection and a winter adjustment table. Activity Guides https://keepdrybag.com/blog/cabin-bag-size-and-weight-tips https://keepdrybag.com/blog/cabin-bag-size-and-weight-tips Tue, 10 Feb 2026 09:00:00 +0800 Carry-on sizing rules vary by airline, so match cabin bag size, weight and packing order to the strictest limits on your itinerary. Travel & Packing https://keepdrybag.com/blog/camera-gear-in-a-dry-bag https://keepdrybag.com/blog/camera-gear-in-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 How to carry a camera kit in a dry bag: sizes for a body and two lenses, condensation control, desiccant quantities, access speed and air-travel rules for batteries. Travel & Packing https://keepdrybag.com/blog/camouflage-dry-bag-designs https://keepdrybag.com/blog/camouflage-dry-bag-designs Tue, 10 Feb 2026 09:00:00 +0800 Camouflage dry bag designs that survive production: pattern scale per bag size, print routes on TPU film, colour fastness targets and the visibility trade-off. Design & Branding https://keepdrybag.com/blog/can-you-check-a-dry-bag-on-a-plane https://keepdrybag.com/blog/can-you-check-a-dry-bag-on-a-plane Tue, 10 Feb 2026 09:00:00 +0800 Yes, a dry bag can be checked: within 158 cm linear and 23 kg, with straps taped, the closure vented for cabin pressure and batteries kept in the cabin. Dry Bag Answers https://keepdrybag.com/blog/machine-washing-a-dry-bag https://keepdrybag.com/blog/machine-washing-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 A washing machine abrades film, twists welded seams and strips coatings: why hand washing beats the drum, with temperature limits and a 12-minute method. Care & Repair https://keepdrybag.com/blog/can-you-machine-wash-a-dry-bag https://keepdrybag.com/blog/can-you-machine-wash-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 Machine washing a welded dry bag is possible in a front loader at 30 °C with no spin, but heat, agitators and tumble drying are what actually destroy the film. Dry Bag Answers https://keepdrybag.com/blog/can-you-use-a-dry-bag-for-a-laptop https://keepdrybag.com/blog/can-you-use-a-dry-bag-for-a-laptop Tue, 10 Feb 2026 09:00:00 +0800 Yes, a dry bag can carry a laptop: put a 14-inch machine in a padded sleeve, then a 10L IPX7 bag, and mind the 45 C storage limit for batteries. Dry Bag Answers https://keepdrybag.com/blog/can-a-dry-bag-be-used-as-a-cooler https://keepdrybag.com/blog/can-a-dry-bag-be-used-as-a-cooler Tue, 10 Feb 2026 09:00:00 +0800 Yes, a dry bag works as a cooler for three to six hours: real melt times by ice type and size, food safety rules for meltwater, and when to buy an insulated box. Dry Bag Answers https://keepdrybag.com/blog/can-a-dry-bag-sink-with-air-inside https://keepdrybag.com/blog/can-a-dry-bag-sink-with-air-inside Tue, 10 Feb 2026 09:00:00 +0800 Yes, a dry bag can sink with air inside. The buoyancy maths: contents density, air compression with depth, salt versus fresh water and a home test protocol. Dry Bag Answers https://keepdrybag.com/blog/can-a-punctured-dry-bag-be-repaired https://keepdrybag.com/blog/can-a-punctured-dry-bag-be-repaired Tue, 10 Feb 2026 09:00:00 +0800 Can a punctured dry bag be repaired? Yes for holes up to 30 mm away from a weld: here is the material test, the patch method and the verification that decide. Dry Bag Answers https://keepdrybag.com/blog/canoe-camping-load-plan https://keepdrybag.com/blog/canoe-camping-load-plan Tue, 10 Feb 2026 09:00:00 +0800 A canoe camping load plan spreads 55 to 75 litres of waterproof space over three bags, keeps trim neutral and survives a 900 m portage with 22 kg on the yoke. Travel & Packing https://keepdrybag.com/blog/carbon-footprint-of-a-dry-bag https://keepdrybag.com/blog/carbon-footprint-of-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 A 20 litre welded TPU dry bag carries roughly 2.2 kg CO2e cradle to gate: a stage-by-stage inventory, freight maths and the levers that actually cut it. Sustainability & Compliance https://keepdrybag.com/blog/caring-for-printed-dry-bags https://keepdrybag.com/blog/caring-for-printed-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Printed dry bags fail at fold lines and from sunscreen chemistry. How to clean, dry and store a printed bag so the graphic lasts as long as its seams. Care & Repair https://keepdrybag.com/blog/chemical-migration-testing https://keepdrybag.com/blog/chemical-migration-testing Tue, 10 Feb 2026 09:00:00 +0800 Chemical migration testing shows what leaves a bag and enters skin or food: simulants, conditions, REACH and Prop 65 limits, and how to read a weak report. Sustainability & Compliance https://keepdrybag.com/blog/choosing-between-two-dry-bag-sizes https://keepdrybag.com/blog/choosing-between-two-dry-bag-sizes Tue, 10 Feb 2026 09:00:00 +0800 Choosing between two dry bag sizes: compare usable volume after three rolls, the 15 percent headroom rule and six common size pairs with real packed weights. Capacity & Sizing https://keepdrybag.com/blog/drone-missions-dry-bag-comparison https://keepdrybag.com/blog/drone-missions-dry-bag-comparison Tue, 10 Feb 2026 09:00:00 +0800 Drone kit is heavy, sharp and condensation-prone: compare dry bag formats for quadcopters, batteries and controllers, with size and padding figures for field work. Activity Guides https://keepdrybag.com/blog/snowboarding-dry-bag-comparison https://keepdrybag.com/blog/snowboarding-dry-bag-comparison Tue, 10 Feb 2026 09:00:00 +0800 Choosing a dry bag for snowboarding: sizes from resort days to backcountry tours, roll-top against zip in the cold, glove-friendly hardware and lodge care. Activity Guides https://keepdrybag.com/blog/thru-hiking-dry-bag-comparison https://keepdrybag.com/blog/thru-hiking-dry-bag-comparison Tue, 10 Feb 2026 09:00:00 +0800 Thru-hiking needs 30 to 45 litres of waterproof volume for 250 to 400 g: liner versus roll-top bags compared, film thickness by weight, and what fails by mile 700. Activity Guides https://keepdrybag.com/blog/wakeboarding-dry-bag-comparison https://keepdrybag.com/blog/wakeboarding-dry-bag-comparison Tue, 10 Feb 2026 09:00:00 +0800 Choosing a dry bag for wakeboarding: deck positions, 5L to 20L sizing, closures that survive a 35 km/h fall, buoyancy, sun exposure and boat lashing. Activity Guides https://keepdrybag.com/blog/waterfall-hiking-dry-bag-comparison https://keepdrybag.com/blog/waterfall-hiking-dry-bag-comparison Tue, 10 Feb 2026 09:00:00 +0800 Waterfall hiking soaks gear with spray and mist: how to pick a dry bag size, closure and fabric that survives wet granite, scrambles and a full wet day. Activity Guides https://keepdrybag.com/blog/clear-window-dry-bag-materials https://keepdrybag.com/blog/clear-window-dry-bag-materials Tue, 10 Feb 2026 09:00:00 +0800 Clear window dry bag materials compared: PVC, aromatic and aliphatic TPU, EVA and laminates on clarity, cold crack, weld strength, yellowing and end of life. Materials & Construction https://keepdrybag.com/blog/cold-crack-temperature-of-tpu https://keepdrybag.com/blog/cold-crack-temperature-of-tpu Tue, 10 Feb 2026 09:00:00 +0800 Cold crack temperature of TPU explained: polyether and polyester brittle points, how PVC compares below freezing, test methods and winter bag specification. Materials & Construction https://keepdrybag.com/blog/fabric-colour-fastness-in-saltwater https://keepdrybag.com/blog/fabric-colour-fastness-in-saltwater Tue, 10 Feb 2026 09:00:00 +0800 Saltwater, UV and heat fade bag fabric fast: how colour fastness is rated on the 1-5 grey scale, what 300 hours of salt spray does, and which colourways survive. Materials & Construction https://keepdrybag.com/blog/colour-matching-across-a-range https://keepdrybag.com/blog/colour-matching-across-a-range Tue, 10 Feb 2026 09:00:00 +0800 Matching colour across a dry bag range means holding Delta E under 1.5 on every panel and aligning film, thread, webbing and hardware finishes before bulk. Design & Branding https://keepdrybag.com/blog/compression-dry-bag-capacity https://keepdrybag.com/blog/compression-dry-bag-capacity Tue, 10 Feb 2026 09:00:00 +0800 A compression dry bag removes air, not fabric: labelled 20L becomes about 17L after three folds and up to 16L of real gear once four straps pull the loft out. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-condensation-explained https://keepdrybag.com/blog/dry-bag-condensation-explained Tue, 10 Feb 2026 09:00:00 +0800 Why a sealed dry bag wets its own contents: dew point maths, the four water sources ranked by mass, desiccant capacity and how to tell condensation from a leak. Waterproof Technology https://keepdrybag.com/blog/hardware-corrosion-resistance https://keepdrybag.com/blog/hardware-corrosion-resistance Tue, 10 Feb 2026 09:00:00 +0800 Dry bag hardware fails in salt long before the fabric does: stainless grades, anodising, acetal and coated zinc compared by salt spray hours and real service life. Materials & Construction https://keepdrybag.com/blog/d-ring-and-lash-point-design https://keepdrybag.com/blog/d-ring-and-lash-point-design Tue, 10 Feb 2026 09:00:00 +0800 D-rings and lash points decide whether a dry bag stays on the boat: weld area, pull-to-fail numbers, hardware metals and placement rules by bag size. Materials & Construction https://keepdrybag.com/blog/deodorising-a-dry-bag-safely https://keepdrybag.com/blog/deodorising-a-dry-bag-safely Tue, 10 Feb 2026 09:00:00 +0800 How to deodorise a dry bag without wrecking the film: drying times, bicarbonate and vinegar limits, agents to avoid, and a full step-by-step sequence. Care & Repair https://keepdrybag.com/blog/do-dry-bags-keep-water-in-too https://keepdrybag.com/blog/do-dry-bags-keep-water-in-too Tue, 10 Feb 2026 09:00:00 +0800 Dry bags keep water out to IPX7, but do they hold water in? Welded seams, roll-top direction, pressure at the fold and what really happens with wet kit. Dry Bag Answers https://keepdrybag.com/blog/do-dry-bags-work-in-freezing-conditions https://keepdrybag.com/blog/do-dry-bags-work-in-freezing-conditions Tue, 10 Feb 2026 09:00:00 +0800 Do dry bags work in freezing conditions? TPU film stays flexible to about -40 C while PVC stiffens near 0 C, and a frozen roll-top closure is the real failure point. Dry Bag Answers https://keepdrybag.com/blog/documents-and-passport-protection https://keepdrybag.com/blog/documents-and-passport-protection Tue, 10 Feb 2026 09:00:00 +0800 A passport survives 90 seconds in seawater before the chip fails: dry bag sizes for A4 documents, ratings for tender rides, humidity control and airport access tips. Travel & Packing https://keepdrybag.com/blog/does-sunlight-ruin-a-dry-bag https://keepdrybag.com/blog/does-sunlight-ruin-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 Does sunlight ruin a dry bag? UV dose by climate, hours to visible change for TPU and PVC, heat versus UV damage and a storage routine that extends service life. Dry Bag Answers https://keepdrybag.com/blog/does-a-dry-bag-float-when-full https://keepdrybag.com/blog/does-a-dry-bag-float-when-full Tue, 10 Feb 2026 09:00:00 +0800 A full dry bag floats only while its average density stays under 1.0 kg per litre: air fraction, contents density, salt versus fresh water and float tests explained. Dry Bag Answers https://keepdrybag.com/blog/does-a-dry-bag-need-a-purge-valve https://keepdrybag.com/blog/does-a-dry-bag-need-a-purge-valve Tue, 10 Feb 2026 09:00:00 +0800 A purge valve earns its place on compressible loads above 20L: how much air it removes, when it is dead weight, and how valves affect buoyancy and sealing. Dry Bag Answers https://keepdrybag.com/blog/dry-bag-backpack-vs-dry-duffel https://keepdrybag.com/blog/dry-bag-backpack-vs-dry-duffel Tue, 10 Feb 2026 09:00:00 +0800 Dry bag backpack or dry duffel? Usable litres, carry distance, access time, closure behaviour and cost per litre across 20L to 60L, with a trip decision matrix. Buying & Comparisons https://keepdrybag.com/blog/dry-bag-buckle-types https://keepdrybag.com/blog/dry-bag-buckle-types Tue, 10 Feb 2026 09:00:00 +0800 Side-release, cam, ladderlock and twist-lock buckles compared with real break loads, webbing widths, salt and UV limits, plus inspection steps and replacement rules. Materials & Construction https://keepdrybag.com/blog/dry-bag-buying-checklist https://keepdrybag.com/blog/dry-bag-buying-checklist Tue, 10 Feb 2026 09:00:00 +0800 A 12-point dry bag buying checklist: closure geometry, welded seams, film thickness, real capacity, hardware loads, rating evidence and price bands that make sense. Buying & Comparisons https://keepdrybag.com/blog/dry-bag-capacity-guide-2l-to-90l https://keepdrybag.com/blog/dry-bag-capacity-guide-2l-to-90l Tue, 10 Feb 2026 09:00:00 +0800 Dry bag capacity from 2L to 90L explained: real usable litres after the roll, weights, dimensions and the right size for every trip profile. Capacity & Sizing https://keepdrybag.com/blog/backpacking-dry-bag-care https://keepdrybag.com/blog/backpacking-dry-bag-care Tue, 10 Feb 2026 09:00:00 +0800 Post-trip dry bag care after backpacking: the five-minute camp routine, the first hour at home, how to clear grit from buckles and stop mildew before it spreads. Activity Guides https://keepdrybag.com/blog/coasteering-dry-bag-care https://keepdrybag.com/blog/coasteering-dry-bag-care Tue, 10 Feb 2026 09:00:00 +0800 Coasteering coats a dry bag in salt, sand and grit: a 10-minute rinse, dry and inspection routine for TPU bags after any sea-level session. Activity Guides https://keepdrybag.com/blog/jet-skiing-dry-bag-care https://keepdrybag.com/blog/jet-skiing-dry-bag-care Tue, 10 Feb 2026 09:00:00 +0800 Jet ski spray hits at road speed, then sits in a hot engine-bay locker: a fifteen-minute rinse, flush and inspect routine that keeps TPU bags sealed all season. Activity Guides https://keepdrybag.com/blog/snowmobiling-dry-bag-care https://keepdrybag.com/blog/snowmobiling-dry-bag-care Tue, 10 Feb 2026 09:00:00 +0800 Dry bag care after snowmobiling: thawing without crease damage, freeing iced buckles, beating garage condensation, removing fuel film and storing through summer. Activity Guides https://keepdrybag.com/blog/water-rescue-dry-bag-care https://keepdrybag.com/blog/water-rescue-dry-bag-care Tue, 10 Feb 2026 09:00:00 +0800 Rescue bags come back with silt, sewage and fuel in the fold line: a decon, disinfection and drying routine that protects crews and keeps welded TPU bags in service. Activity Guides https://keepdrybag.com/blog/dry-bag-gift-sets https://keepdrybag.com/blog/dry-bag-gift-sets Tue, 10 Feb 2026 09:00:00 +0800 Dry bag gift sets work when sizes, colours and accessories match real routines; use this guide to build practical bundles people keep using. Design & Branding https://keepdrybag.com/blog/dry-bag-material-recyclability https://keepdrybag.com/blog/dry-bag-material-recyclability Tue, 10 Feb 2026 09:00:00 +0800 Why laminated dry bag fabric resists recycling, how TPU, PVC and rPET compare at end of life, and the mono-material design choices that change the answer. Materials & Construction https://keepdrybag.com/blog/dry-bag-packaging-ideas https://keepdrybag.com/blog/dry-bag-packaging-ideas Tue, 10 Feb 2026 09:00:00 +0800 Practical dry bag packaging ideas: polybag versus printed carton, carton cube maths, the label fields buyers check, and recyclability wording that survives review. Design & Branding https://keepdrybag.com/blog/dry-bag-personalisation-ideas https://keepdrybag.com/blog/dry-bag-personalisation-ideas Tue, 10 Feb 2026 09:00:00 +0800 Dry bag personalisation turns on six choices: print method, logo size, colourway, hardware finish, window panel and packaging, each with a real cost. Design & Branding https://keepdrybag.com/blog/dry-bag-photography-setup https://keepdrybag.com/blog/dry-bag-photography-setup Tue, 10 Feb 2026 09:00:00 +0800 A dry bag photography setup for glossy TPU: two lights at 45 degrees, polariser, grey card and f/8 settings, with shot lists and colour targets for a size range. Design & Branding https://keepdrybag.com/blog/dry-bag-service-life-by-material https://keepdrybag.com/blog/dry-bag-service-life-by-material Tue, 10 Feb 2026 09:00:00 +0800 Expected dry bag service life by material family, from PVC-coated polyester to ether TPU, with failure mechanisms, inspection points and repair windows. Care & Repair https://keepdrybag.com/blog/beach-days-dry-bag-setup https://keepdrybag.com/blog/beach-days-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 Three dry bags, 20L plus 5L plus 2L, keep a beach day organised: packing order, sand defence, shade tactics and a five-minute rinse for phones, towels and swimwear. Activity Guides https://keepdrybag.com/blog/car-camping-dry-bag-setup https://keepdrybag.com/blog/car-camping-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 Car camping moves water in on tents, boots and melting ice: a dry bag setup by boot zone, with cooler melt maths, litres, weights and a weekend load plan. Activity Guides https://keepdrybag.com/blog/deep-sea-fishing-dry-bag-setup https://keepdrybag.com/blog/deep-sea-fishing-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 Set up dry bags for deep sea fishing: 30-60L deck loads, IPX6 spray protection, hook and knife puncture control, salt rinsing and electronics protection offshore. Activity Guides https://keepdrybag.com/blog/mountain-biking-dry-bag-setup https://keepdrybag.com/blog/mountain-biking-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 Mountain biking dry bag setup guide: 3L to 14L of load across frame, bar and pack positions, suspension clearance checks and film choices for rock strike. Activity Guides https://keepdrybag.com/blog/surfing-dry-bag-setup https://keepdrybag.com/blog/surfing-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 A surf session needs a 5L key bag, a 10L kit bag and a wet-load plan: exposure by zone, sand management, tethering, water temperature and a rinse routine that works. Activity Guides https://keepdrybag.com/blog/dry-bag-size-for-food-and-cooking-kit https://keepdrybag.com/blog/dry-bag-size-for-food-and-cooking-kit Tue, 10 Feb 2026 09:00:00 +0800 Food and a cooking kit need about 1.6 litres per person per day plus a 1.4 kg stove, pot and fuel set: 8L solo, 15L for two, 25L for four people. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-laptop-and-documents https://keepdrybag.com/blog/dry-bag-size-for-laptop-and-documents Tue, 10 Feb 2026 09:00:00 +0800 Size a dry bag for a 13in or 14in laptop plus A4 documents: flat-panel maths, padding depth, condensation risk and real weight budgets, with tables. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-7-day-expedition https://keepdrybag.com/blog/dry-bag-size-for-a-7-day-expedition Tue, 10 Feb 2026 09:00:00 +0800 Seven days of self-supported travel needs 90 to 130 litres of waterproof capacity per person: a bag-by-bag sizing plan with real weight and portage tables. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-camera-kit https://keepdrybag.com/blog/dry-bag-size-for-a-camera-kit Tue, 10 Feb 2026 09:00:00 +0800 Camera kit sizing starts at packed volume: 6-10 L for one body and lens, 15-20 L once a drone joins, plus padding allowance and closure loss. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-climbing-rope https://keepdrybag.com/blog/dry-bag-size-for-a-climbing-rope Tue, 10 Feb 2026 09:00:00 +0800 What size dry bag fits a climbing rope: packed volume by diameter and length, wet weight penalties, roll-top capacity loss and a sizing table for 30 m to 80 m ropes. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-first-aid-kit https://keepdrybag.com/blog/dry-bag-size-for-a-first-aid-kit Tue, 10 Feb 2026 09:00:00 +0800 A first aid kit needs 2L solo, 3L to 5L for a pair or family and 8L to 10L for six people, with dressings, blister care and a sealed 200 g medication pouch. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-sleeping-bag https://keepdrybag.com/blog/dry-bag-size-for-a-sleeping-bag Tue, 10 Feb 2026 09:00:00 +0800 A 0 °C down sleeping bag packs to 8-12 litres and needs a 20L dry bag; synthetic fills need 40L. Match loft, fill and compression to real packed volume. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-size-for-a-weekend-trip https://keepdrybag.com/blog/dry-bag-size-for-a-weekend-trip Tue, 10 Feb 2026 09:00:00 +0800 A two-night trip needs 35 to 55 litres of waterproof space: how to split it across three roll-top dry bags, with weights, packing order and a size table. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-sizes-for-kids https://keepdrybag.com/blog/dry-bag-sizes-for-kids Tue, 10 Feb 2026 09:00:00 +0800 Match dry bag size to a child by age, torso length and carry weight: 2L, 5L and 10L compared, with strap fit, closure strength and buoyancy data for parents. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-strap-and-harness-design https://keepdrybag.com/blog/dry-bag-strap-and-harness-design Tue, 10 Feb 2026 09:00:00 +0800 Straps and harnesses decide how a dry bag carries: webbing widths, welded versus stitched attachment, buckle ratings and the tests that predict strap failure. Materials & Construction https://keepdrybag.com/blog/dry-bag-terminology-glossary https://keepdrybag.com/blog/dry-bag-terminology-glossary Tue, 10 Feb 2026 09:00:00 +0800 Plain-English definitions of the 60 dry bag terms that appear on spec sheets: hydrostatic head, IPX grades, denier, gsm, weld peel, AQL, MOQ, REACH and more. Waterproof Technology https://keepdrybag.com/blog/dry-bag-valve-types-and-use https://keepdrybag.com/blog/dry-bag-valve-types-and-use Tue, 10 Feb 2026 09:00:00 +0800 Compare dry bag valve types, airflow, seals and service needs, then learn how to purge, inflate and test a valve without weakening waterproof performance. Materials & Construction https://keepdrybag.com/blog/dry-bag-volume-vs-backpack-volume https://keepdrybag.com/blog/dry-bag-volume-vs-backpack-volume Tue, 10 Feb 2026 09:00:00 +0800 A 20L dry bag and a 20L day pack do not carry the same load: how each volume is measured, what a roll-top closure costs, and how to convert pack litres. Capacity & Sizing https://keepdrybag.com/blog/dry-bag-for-backcountry-skiing https://keepdrybag.com/blog/dry-bag-for-backcountry-skiing Tue, 10 Feb 2026 09:00:00 +0800 Backcountry ski tours need 12L to 30L of waterproof space per person: a packing, sizing and cold-weather guide with real weights, litres and temperature limits. Activity Guides https://keepdrybag.com/blog/dry-bag-for-day-kayaking https://keepdrybag.com/blog/dry-bag-for-day-kayaking Tue, 10 Feb 2026 09:00:00 +0800 Day kayaking needs 5L to 20L of waterproof space: a size, packing and roll-top guide for sit-in and sit-on-top kayaks, with real weights and capacity tables. Activity Guides https://keepdrybag.com/blog/dry-bag-for-monsoon-commuting https://keepdrybag.com/blog/dry-bag-for-monsoon-commuting Tue, 10 Feb 2026 09:00:00 +0800 Monsoon commuting means 25 to 100 mm of rain an hour and 150 mm of standing water: a packing and sizing guide for a dry workday bag. Activity Guides https://keepdrybag.com/blog/dry-bag-for-snorkeling https://keepdrybag.com/blog/dry-bag-for-snorkeling Tue, 10 Feb 2026 09:00:00 +0800 Snorkelling needs 5L to 20L of sealed space: a packing and sizing guide for shore, boat and liveaboard trips, with capacity, buoyancy and camera-kit tables. Activity Guides https://keepdrybag.com/blog/dry-bag-for-wild-camping https://keepdrybag.com/blog/dry-bag-for-wild-camping Tue, 10 Feb 2026 09:00:00 +0800 Wild camping needs 22 to 30 litres of dry bag space per person for two nights. Capacity maths, bag splits, condensation control and a full weight budget. Activity Guides https://keepdrybag.com/blog/dry-bag-vs-dry-sack-vs-dry-duffel https://keepdrybag.com/blog/dry-bag-vs-dry-sack-vs-dry-duffel Tue, 10 Feb 2026 09:00:00 +0800 Dry bag vs dry sack vs dry duffel: shape, closure, grams per litre, hatch fit and activity match, with real weights, prices and a format decision table. Buying & Comparisons https://keepdrybag.com/blog/dry-bag-for-carry-on-only-travel https://keepdrybag.com/blog/dry-bag-for-carry-on-only-travel Tue, 10 Feb 2026 09:00:00 +0800 Carry-on-only travel with dry bags: a 30-40 L plan for a 7 kg cabin limit, with bag weights, wet-kit separation and what passes at the checkpoint. Travel & Packing https://keepdrybag.com/blog/raft-support-rig-dry-bags https://keepdrybag.com/blog/raft-support-rig-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Rigging dry bags on a raft support frame: position map, litres per person per day, strap widths and load limits, with a worked four-day load plan for six paddlers. Travel & Packing https://keepdrybag.com/blog/drying-racks-and-airflow https://keepdrybag.com/blog/drying-racks-and-airflow Tue, 10 Feb 2026 09:00:00 +0800 Design a drying rack and airflow routine for dry bags, with spacing, temperature and drying-time guidance that prevents odour, mildew and seam damage. Care & Repair https://keepdrybag.com/blog/epr-and-packaging-rules https://keepdrybag.com/blog/epr-and-packaging-rules Tue, 10 Feb 2026 09:00:00 +0800 Extended producer responsibility for bag brands: EU PPWR and national registers, UK pEPR fees, US state programmes, eco-modulation and the SKU data to collect. Sustainability & Compliance https://keepdrybag.com/blog/economy-vs-premium-dry-bags https://keepdrybag.com/blog/economy-vs-premium-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Economy vs premium dry bags: film at 0.28 mm or 0.55 mm, welded or taped seams, buckle grades and the real cost per year of service for each price band. Buying & Comparisons https://keepdrybag.com/blog/embroidered-badges-on-dry-bags https://keepdrybag.com/blog/embroidered-badges-on-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Embroidered badges can puncture a waterproof shell: how to fit patches to TPU dry bags by welding, heat transfer or panel insert, with sizes, threads and leak data. Design & Branding https://keepdrybag.com/blog/energy-use-in-tpu-welding https://keepdrybag.com/blog/energy-use-in-tpu-welding Tue, 10 Feb 2026 09:00:00 +0800 Where the energy goes when a TPU dry bag is welded: joules per seam, hot wedge compared with radio frequency, hidden loads, and the steps that cut consumption. Sustainability & Compliance https://keepdrybag.com/blog/extending-product-life-for-less-waste https://keepdrybag.com/blog/extending-product-life-for-less-waste Tue, 10 Feb 2026 09:00:00 +0800 Learn how longer dry bag life cuts waste through durable design, careful use, repair, parts support, measurable testing and responsible end-of-life choices. Sustainability & Compliance https://keepdrybag.com/blog/fabric-flexibility-vs-durability https://keepdrybag.com/blog/fabric-flexibility-vs-durability Tue, 10 Feb 2026 09:00:00 +0800 Dry bag fabric is a trade: 0.3 mm TPU on 210D folds with 4 N and lasts 8,000 abrasion cycles, 0.5 mm on 500D needs 9 N and lasts 25,000. Here is how to choose. Materials & Construction https://keepdrybag.com/blog/festival-branded-dry-bags https://keepdrybag.com/blog/festival-branded-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Festival branded dry bags: choose the platform, size, print method and colourway that survive three days of mud and rain, with unit-cost and timeline tables. Design & Branding https://keepdrybag.com/blog/festival-weekend-waterproof-plan https://keepdrybag.com/blog/festival-weekend-waterproof-plan Tue, 10 Feb 2026 09:00:00 +0800 A festival weekend waterproof plan for two nights in a field: 22 to 34 litres split across three bags, with real weights, mud strategy and a wet pack-down routine. Travel & Packing https://keepdrybag.com/blog/field-vs-lab-testing-dry-bags https://keepdrybag.com/blog/field-vs-lab-testing-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Lab and field testing answer different dry bag questions: immersion, jet and air tests versus real trips, with sampling and correlation tables. Waterproof Technology https://keepdrybag.com/blog/luggage-handling-damage-repair https://keepdrybag.com/blog/luggage-handling-damage-repair Tue, 10 Feb 2026 09:00:00 +0800 Baggage belts cut, crush and abrade waterproof bags: how to triage, patch, re-weld and re-strap the damage, with cure times, test data and retire rules. Care & Repair https://keepdrybag.com/blog/food-safe-dry-bag-materials https://keepdrybag.com/blog/food-safe-dry-bag-materials Tue, 10 Feb 2026 09:00:00 +0800 Food contact for dry bags comes down to measured migration: 10 mg per dm2 overall, phthalate limits, PFAS-free finishes and a test report per market. Sustainability & Compliance https://keepdrybag.com/blog/sample-to-bulk-dry-bag-timeline https://keepdrybag.com/blog/sample-to-bulk-dry-bag-timeline Tue, 10 Feb 2026 09:00:00 +0800 From brief to container a dry bag order takes 60 to 75 days: eight gates, three sampling routes compared, real lead times per process, and where delays start. Buying & Comparisons https://keepdrybag.com/blog/glow-in-the-dark-dry-bag-ideas https://keepdrybag.com/blog/glow-in-the-dark-dry-bag-ideas Tue, 10 Feb 2026 09:00:00 +0800 Photoluminescent panels, pigment grades and placement rules for glow-in-the-dark dry bags, with charge times, decay curves and print routes that survive salt. Design & Branding https://keepdrybag.com/blog/gravel-riding-dry-bag-mistakes https://keepdrybag.com/blog/gravel-riding-dry-bag-mistakes Tue, 10 Feb 2026 09:00:00 +0800 Gravel riding wrecks dry bags through dust, washboard vibration and creek crossings: seven mistakes to avoid, with real volumes, strap loads and checks. Activity Guides https://keepdrybag.com/blog/gym-bag-for-rainy-climates https://keepdrybag.com/blog/gym-bag-for-rainy-climates Tue, 10 Feb 2026 09:00:00 +0800 A gym bag for a rainy climate needs 25 to 35 litres, a welded shell and a wet compartment: kit volumes, drying hours by humidity, fabrics and a 12-month cost table. Travel & Packing https://keepdrybag.com/blog/hang-tags-and-labels-for-dry-bags https://keepdrybag.com/blog/hang-tags-and-labels-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Hang tags and labels for dry bags have to survive wet hands and salt air: a practical guide to substrates, print methods, compliance lines and no-pierce attachment. Design & Branding https://keepdrybag.com/blog/hardware-finish-options https://keepdrybag.com/blog/hardware-finish-options Tue, 10 Feb 2026 09:00:00 +0800 Compare dry bag hardware finishes: anodising, nickel plating, PVD, powder coat and moulded plastic, with salt spray hours, abrasion cycles and cost. Design & Branding https://keepdrybag.com/blog/hotel-gym-and-pool-kit https://keepdrybag.com/blog/hotel-gym-and-pool-kit Tue, 10 Feb 2026 09:00:00 +0800 Build a hotel gym and pool kit that stays dry: two-bag separation, 10L to 20L sizing, drying times, chlorine odour control and a wash schedule for trips. Travel & Packing https://keepdrybag.com/blog/how-brands-claim-waterproofing https://keepdrybag.com/blog/how-brands-claim-waterproofing Tue, 10 Feb 2026 09:00:00 +0800 Waterproof claims range from tested IPX7 immersion to invented adjectives. Learn the test families behind the numbers and the wording that hides a weak result. Waterproof Technology https://keepdrybag.com/blog/how-do-roll-top-dry-bags-keep-water-out https://keepdrybag.com/blog/how-do-roll-top-dry-bags-keep-water-out Tue, 10 Feb 2026 09:00:00 +0800 How roll-top dry bags keep water out: contact pressure at each fold, capillary leaks, welded seams and the depth and temperature limits, with numbers. Dry Bag Answers https://keepdrybag.com/blog/how-do-you-carry-a-dry-bag-comfortably https://keepdrybag.com/blog/how-do-you-carry-a-dry-bag-comfortably Tue, 10 Feb 2026 09:00:00 +0800 Carry a dry bag comfortably by matching strap width to load: 25 mm handles suit 400 m, padded 38 mm straps suit 2 km. Distances, pressure figures and fitting rules. Dry Bag Answers https://keepdrybag.com/blog/how-do-you-know-a-dry-bag-is-worn-out https://keepdrybag.com/blog/how-do-you-know-a-dry-bag-is-worn-out Tue, 10 Feb 2026 09:00:00 +0800 Spot a worn-out dry bag before it fails: air-test thresholds, tacky film, whitened welds and closure leaks, with two home tests and retirement limits by use case. Dry Bag Answers https://keepdrybag.com/blog/how-do-you-stop-a-dry-bag-smelling https://keepdrybag.com/blog/how-do-you-stop-a-dry-bag-smelling Tue, 10 Feb 2026 09:00:00 +0800 Stop a dry bag smelling by drying it before you seal it: drying hours by humidity, safe cleaning agents for TPU, odour absorbers and a prevention schedule. Dry Bag Answers https://keepdrybag.com/blog/how-do-you-test-a-dry-bag-at-home https://keepdrybag.com/blog/how-do-you-test-a-dry-bag-at-home Tue, 10 Feb 2026 09:00:00 +0800 Test a dry bag at home in 30 minutes: a paper towel check, a bath immersion test, an air squeeze, and a bubble search that finds the leak before a trip does. Dry Bag Answers https://keepdrybag.com/blog/how-to-measure-dry-bag-capacity https://keepdrybag.com/blog/how-to-measure-dry-bag-capacity Tue, 10 Feb 2026 09:00:00 +0800 Learn how dry bag capacity is measured, why roll-top closure space reduces usable litres, and how to verify stated volume with a simple water test. Capacity & Sizing https://keepdrybag.com/blog/how-long-do-dry-bags-last-in-saltwater https://keepdrybag.com/blog/how-long-do-dry-bags-last-in-saltwater Tue, 10 Feb 2026 09:00:00 +0800 How long do dry bags last in saltwater? Service life by material and use pattern, the parts that fail first, and the rinse habits that turn 3 years into 10. Dry Bag Answers https://keepdrybag.com/blog/how-many-rolls-are-actually-needed https://keepdrybag.com/blog/how-many-rolls-are-actually-needed Tue, 10 Feb 2026 09:00:00 +0800 Three rolls is the standard, but two holds splash and four costs 1.2 litres: measured water ingress by roll count, and a decision rule for any trip. Waterproof Technology https://keepdrybag.com/blog/roll-top-capacity-loss-explained https://keepdrybag.com/blog/roll-top-capacity-loss-explained Tue, 10 Feb 2026 09:00:00 +0800 A 20L roll-top dry bag holds about 16.6 usable litres once rolled three times: measured capacity loss by bag size, film build and fold count. Capacity & Sizing https://keepdrybag.com/blog/how-much-should-a-dry-bag-cost https://keepdrybag.com/blog/how-much-should-a-dry-bag-cost Tue, 10 Feb 2026 09:00:00 +0800 How much should a dry bag cost? Real price bands from USD 8 to 120, what each buys in film, seams and hardware, and the cost-per-year arithmetic that settles it. Buying & Comparisons https://keepdrybag.com/blog/how-much-weight-can-a-dry-bag-strap-take https://keepdrybag.com/blog/how-much-weight-can-a-dry-bag-strap-take Tue, 10 Feb 2026 09:00:00 +0800 How much weight a dry bag strap can take: webbing break strength, welded anchor pull-out, buckle limits and shock load multipliers, with safe working load tables. Dry Bag Answers https://keepdrybag.com/blog/how-recyclable-are-dry-bags https://keepdrybag.com/blog/how-recyclable-are-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Most dry bags are technically recyclable and practically not: a layer-by-layer view of TPU, PVC and rPET builds, real recovery rates and design rules. Sustainability & Compliance https://keepdrybag.com/blog/how-roll-top-closures-seal https://keepdrybag.com/blog/how-roll-top-closures-seal Tue, 10 Feb 2026 09:00:00 +0800 How roll-top closures actually seal: contact pressure, fold geometry, buckle load and the grit that breaks the barrier, with real test data and field checks. Waterproof Technology https://keepdrybag.com/blog/how-thick-should-dry-bag-fabric-be https://keepdrybag.com/blog/how-thick-should-dry-bag-fabric-be Tue, 10 Feb 2026 09:00:00 +0800 Most dry bags are best at 0.4-0.5 mm TPU film with a 420D-500D shell; use this guide to match fabric thickness to abrasion, weight and cold. Dry Bag Answers https://keepdrybag.com/blog/how-water-gets-into-a-dry-bag https://keepdrybag.com/blog/how-water-gets-into-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 A dry bag that passes an immersion test can still deliver a wet sleeping bag: the four routes water takes, the depth and time numbers, and a field diagnosis. Waterproof Technology https://keepdrybag.com/blog/waterproof-rating-degradation https://keepdrybag.com/blog/waterproof-rating-degradation Tue, 10 Feb 2026 09:00:00 +0800 How waterproof ratings degrade: UV, hydrolysis, crease fatigue, abrasion and seam creep, with retention figures over five years and a re-test schedule. Waterproof Technology https://keepdrybag.com/blog/how-to-clean-a-roll-top-dry-bag https://keepdrybag.com/blog/how-to-clean-a-roll-top-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 How to clean a roll-top dry bag: rinse temperature, safe cleaning agents, fold-line care, hardware care, drying times and a quarterly routine that protects the seal. Care & Repair https://keepdrybag.com/blog/reading-dry-bag-spec-sheets https://keepdrybag.com/blog/reading-dry-bag-spec-sheets Tue, 10 Feb 2026 09:00:00 +0800 How to read a dry bag spec sheet line by line: capacity, denier, film thickness, seam type, test method and commercial fields, with real numbers and red flags. Buying & Comparisons https://keepdrybag.com/blog/hunting-dry-bag-mistakes https://keepdrybag.com/blog/hunting-dry-bag-mistakes Tue, 10 Feb 2026 09:00:00 +0800 Seven dry bag mistakes ruin most hunts: mixed scent, glossy noisy shells, one bag for everything, loud closures and no repair kit. Field fixes with real weights. Activity Guides https://keepdrybag.com/blog/hydrostatic-head-explained https://keepdrybag.com/blog/hydrostatic-head-explained Tue, 10 Feb 2026 09:00:00 +0800 Hydrostatic head explained for dry bags: convert water-column results, read fabric reports, spot test limits and connect material pressure to real bag use. Waterproof Technology https://keepdrybag.com/blog/ipx-waterproof-ratings-for-dry-bags https://keepdrybag.com/blog/ipx-waterproof-ratings-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 IPX ratings for dry bags explained: what IPX4 to IPX8 really test, jet pressure and immersion depth in numbers, and how to read a waterproof claim. Waterproof Technology https://keepdrybag.com/blog/ipx6-vs-ipx7-for-dry-bags https://keepdrybag.com/blog/ipx6-vs-ipx7-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 IPX6 means water jets, IPX7 means thirty minutes at one metre: how the two tests differ, which gear each protects, and when the higher code is worth paying for. Dry Bag Answers https://keepdrybag.com/blog/immersion-testing-a-dry-bag https://keepdrybag.com/blog/immersion-testing-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 How to immersion test a dry bag: tank setup, the 30-minute IPX7 protocol at one metre, tissue indicators, pressure maths, sampling rates and how to read a failure. Waterproof Technology https://keepdrybag.com/blog/internal-coating-vs-lamination https://keepdrybag.com/blog/internal-coating-vs-lamination Tue, 10 Feb 2026 09:00:00 +0800 Internal coating and lamination both waterproof a shell, but they differ in peel strength, weldability and service life. Compare the numbers before you spec a bag. Materials & Construction https://keepdrybag.com/blog/is-tpu-better-than-pvc-for-dry-bags https://keepdrybag.com/blog/is-tpu-better-than-pvc-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 TPU beats PVC on five of seven axes for dry bags: 15% to 25% lighter, flexible to minus 30 °C, stronger welds, 5 to 10 years in saltwater. PVC costs 30% to 45% less. Dry Bag Answers https://keepdrybag.com/blog/is-a-dry-bag-good-enough-for-a-camera https://keepdrybag.com/blog/is-a-dry-bag-good-enough-for-a-camera Tue, 10 Feb 2026 09:00:00 +0800 An IPX7 welded dry bag keeps a camera dry through rain, splash and one short dunk, but crush, humidity and slow access need three extra fixes. Dry Bag Answers https://keepdrybag.com/blog/kayak-hatch-packing-with-dry-bags https://keepdrybag.com/blog/kayak-hatch-packing-with-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Pack a kayak hatch with dry bags: opening sizes, bag geometry, loading order, trim limits and a three-day coastal load plan with real litre and kilogram figures. Travel & Packing https://keepdrybag.com/blog/keeping-sand-out-of-dry-bag-buckles https://keepdrybag.com/blog/keeping-sand-out-of-dry-bag-buckles Tue, 10 Feb 2026 09:00:00 +0800 Sand in a dry bag buckle doubles latch wear and seizes springs in weeks: how grit gets in, a 60-second field clear, and the rinse order that keeps it out. Care & Repair https://keepdrybag.com/blog/kids-dry-bags-vs-adult-sizes https://keepdrybag.com/blog/kids-dry-bags-vs-adult-sizes Tue, 10 Feb 2026 09:00:00 +0800 Kids dry bags versus adult sizes: capacity by body weight, torso and strap geometry, buckle release force and when a child should move to an adult bag. Buying & Comparisons https://keepdrybag.com/blog/kiteboarding-dry-bag-mistakes https://keepdrybag.com/blog/kiteboarding-dry-bag-mistakes Tue, 10 Feb 2026 09:00:00 +0800 Seven dry bag mistakes kiteboarders make, from sandy closures to hot-car storage, with wind, sand load, capacity and rinse schedules that actually work on a beach. Activity Guides https://keepdrybag.com/blog/lake-days-dry-bag-mistakes https://keepdrybag.com/blog/lake-days-dry-bag-mistakes Tue, 10 Feb 2026 09:00:00 +0800 Seven dry bag mistakes ruin lake days: one huge bag, gritty closures, splash-proof packs, hot decks, wrong buoyancy maths, damp loads and no leak test. Activity Guides https://keepdrybag.com/blog/laminated-vs-coated-fabric-dry-bags https://keepdrybag.com/blog/laminated-vs-coated-fabric-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Compare laminated vs coated dry bag fabric by weight, flex life, abrasion, waterproofing, weld quality, repair options, ageing, and best-use cases. Materials & Construction https://keepdrybag.com/blog/light-vs-heavy-duty-dry-bags https://keepdrybag.com/blog/light-vs-heavy-duty-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Light-duty dry bags weigh 220 to 320 g in 20L; heavy-duty versions weigh 520 to 780 g. Compare fabric, seams, service life and cost per season before you choose. Buying & Comparisons https://keepdrybag.com/blog/limited-edition-dry-bag-drops https://keepdrybag.com/blog/limited-edition-dry-bag-drops Tue, 10 Feb 2026 09:00:00 +0800 Plan a limited-edition dry bag drop: 500 to 1,500 pieces per colourway, a 47 to 62 day calendar, colourway splits, pricing and the metrics that prove it worked. Design & Branding https://keepdrybag.com/blog/logo-placement-on-dry-bags https://keepdrybag.com/blog/logo-placement-on-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Where a logo belongs on a dry bag: print-safe zones, weld margins, collar bands and logo sizes for roll-top bags, duffels and backpacks from 5L to 40L. Design & Branding https://keepdrybag.com/blog/low-carbon-production-of-dry-bags https://keepdrybag.com/blog/low-carbon-production-of-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Where the carbon in a dry bag comes from: material choice, welding energy, freight and packaging, with figures per kilogram and a reduction checklist for buyers. Sustainability & Compliance https://keepdrybag.com/blog/maintaining-a-waterproof-backpack-harness https://keepdrybag.com/blog/maintaining-a-waterproof-backpack-harness Tue, 10 Feb 2026 09:00:00 +0800 Care for a waterproof backpack harness: webbing wear, buckle and cam checks, welded strap roots, load limits, UV loss and a service schedule with numbers. Care & Repair https://keepdrybag.com/blog/marine-safe-materials https://keepdrybag.com/blog/marine-safe-materials Tue, 10 Feb 2026 09:00:00 +0800 What makes a dry bag safer for water: phthalate-free TPU, PFAS-free finishes, hardware metals, microplastic shedding and the compliance claims worth checking. Sustainability & Compliance https://keepdrybag.com/blog/matching-fabric-weight-to-activity https://keepdrybag.com/blog/matching-fabric-weight-to-activity Tue, 10 Feb 2026 09:00:00 +0800 Match dry bag fabric weight to your activity: denier, grams per square metre and film thickness mapped to paddling, diving, rafting and commuting loads. Materials & Construction https://keepdrybag.com/blog/matching-dry-bag-to-boat-type https://keepdrybag.com/blog/matching-dry-bag-to-boat-type Tue, 10 Feb 2026 09:00:00 +0800 Match a dry bag to your boat: hatch apertures, exposure ratings and lash points for kayaks, canoes, rafts, dinghies, SUPs and powerboats, with size bands. Buying & Comparisons https://keepdrybag.com/blog/matching-dry-bag-to-climate https://keepdrybag.com/blog/matching-dry-bag-to-climate Tue, 10 Feb 2026 09:00:00 +0800 Match a dry bag to your climate: film thickness, hardware, closure and colour all change with cold, UV load, humidity and altitude in real service. Buying & Comparisons https://keepdrybag.com/blog/minimal-design-for-outdoor-bags https://keepdrybag.com/blog/minimal-design-for-outdoor-bags Tue, 10 Feb 2026 09:00:00 +0800 Minimal design for outdoor bags means four panels or fewer, one closure and a 60 mm mark: how removing parts cuts leak paths, weight and cost per unit. Design & Branding https://keepdrybag.com/blog/motorcycle-luggage-dry-bag-setup https://keepdrybag.com/blog/motorcycle-luggage-dry-bag-setup Tue, 10 Feb 2026 09:00:00 +0800 Build a motorcycle luggage setup with dry bags: 20-40L tail packs, 150 mm exhaust clearance, strap loads and the rain rating you need at 100 km/h. Travel & Packing https://keepdrybag.com/blog/multi-city-travel-packing https://keepdrybag.com/blog/multi-city-travel-packing Tue, 10 Feb 2026 09:00:00 +0800 Multi-city travel packing is a repeated repack, not one big pack: a pouch system, laundry timetable and waterproof layers for five cities in fourteen days. Travel & Packing https://keepdrybag.com/blog/bowhunting-multi-day-dry-bag-plan https://keepdrybag.com/blog/bowhunting-multi-day-dry-bag-plan Tue, 10 Feb 2026 09:00:00 +0800 A multi-day dry bag plan for bowhunting: litres by day count, bow and broadhead protection, scent and noise control, camp layout and a worked four-day load plan. Activity Guides https://keepdrybag.com/blog/motorcycle-touring-multi-day-dry-bag-plan https://keepdrybag.com/blog/motorcycle-touring-multi-day-dry-bag-plan Tue, 10 Feb 2026 09:00:00 +0800 A multi-day motorcycle touring dry bag plan: volume by day count, tail and saddle mounting maths, highway-speed rain ratings, and a daily inspection routine. Activity Guides https://keepdrybag.com/blog/river-tubing-multi-day-dry-bag-plan https://keepdrybag.com/blog/river-tubing-multi-day-dry-bag-plan Tue, 10 Feb 2026 09:00:00 +0800 A multi-day river tubing plan needs 60 to 90 litres per person across four bags: waterproof tiers, tube lashing, gravel abrasion limits and a daily rhythm. Activity Guides https://keepdrybag.com/blog/sailing-multi-day-dry-bag-plan https://keepdrybag.com/blog/sailing-multi-day-dry-bag-plan Tue, 10 Feb 2026 09:00:00 +0800 A four-day coastal passage needs 60 to 90 litres of waterproof space per crew, split across four bags: sizes, zones, lashing and a watch-change routine for sailing. Activity Guides https://keepdrybag.com/blog/sailing-regattas-multi-day-dry-bag-plan https://keepdrybag.com/blog/sailing-regattas-multi-day-dry-bag-plan Tue, 10 Feb 2026 09:00:00 +0800 A three-day regatta needs 45 to 70 litres of waterproof storage per boat, split across four bags: a size, position and daily-care plan for keelboats and sportsboats. Activity Guides https://keepdrybag.com/blog/oeko-tex-and-textile-safety https://keepdrybag.com/blog/oeko-tex-and-textile-safety Tue, 10 Feb 2026 09:00:00 +0800 OEKO-TEX Standard 100 tests a finished textile against four product classes: what dry bag fabric, film, ink and hardware must pass, and how to read a certificate. Sustainability & Compliance https://keepdrybag.com/blog/overlanding-dry-bag-mistakes https://keepdrybag.com/blog/overlanding-dry-bag-mistakes Tue, 10 Feb 2026 09:00:00 +0800 Overlanding destroys bags through dust, UV, strap load and fuel contact: seven mistakes with the numbers behind them, a repair kit list and a 10-day load plan. Activity Guides https://keepdrybag.com/blog/pfas-free-waterproof-fabric https://keepdrybag.com/blog/pfas-free-waterproof-fabric Tue, 10 Feb 2026 09:00:00 +0800 PFAS-free waterproof fabric explained: the chemistry, how total-fluorine testing works, alternative finishes compared, and the documents behind a claim. Sustainability & Compliance https://keepdrybag.com/blog/pvc-free-dry-bag-alternatives https://keepdrybag.com/blog/pvc-free-dry-bag-alternatives Tue, 10 Feb 2026 09:00:00 +0800 PVC-free dry bag alternatives compared: TPU, TPE and polyolefin films against PVC on weight, weld strength, cold flexibility, cost and end-of-life options. Sustainability & Compliance https://keepdrybag.com/blog/packing-a-20l-dry-bag-for-two-days https://keepdrybag.com/blog/packing-a-20l-dry-bag-for-two-days Tue, 10 Feb 2026 09:00:00 +0800 Pack a 20L dry bag for two days: 14 L of working space, a 7 kg load, four-zone packing order and the compression steps that keep the roll-top watertight. Capacity & Sizing https://keepdrybag.com/blog/paddleboard-day-trip-kit https://keepdrybag.com/blog/paddleboard-day-trip-kit Tue, 10 Feb 2026 09:00:00 +0800 A paddleboard day trip kit fits in 10 to 25 litres: how to split water, sun protection and spares without upsetting board stability or losing kit when you fall in. Travel & Packing https://keepdrybag.com/blog/pest-and-rodent-protection https://keepdrybag.com/blog/pest-and-rodent-protection Tue, 10 Feb 2026 09:00:00 +0800 Keep rodents and insects out of stored dry bags: 6 mm mouse gaps, what pests eat, sealed bin strategies, humidity targets and safe cleanup of contaminated gear. Care & Repair https://keepdrybag.com/blog/phthalate-free-tpu-explained https://keepdrybag.com/blog/phthalate-free-tpu-explained Tue, 10 Feb 2026 09:00:00 +0800 Phthalate-free TPU means no ortho-phthalate plasticisers anywhere in the film or trim: what the claim covers, the 0.1% limits, lab tests and documents to request. Materials & Construction https://keepdrybag.com/blog/small-batch-dry-bag-order-planning https://keepdrybag.com/blog/small-batch-dry-bag-order-planning Tue, 10 Feb 2026 09:00:00 +0800 Plan a small-batch dry bag order of 500 pieces: pick a three-size ladder, set colourway minimums, model landed cost and schedule sample to bulk without surprises. Buying & Comparisons https://keepdrybag.com/blog/plastic-free-packaging-for-dry-bags https://keepdrybag.com/blog/plastic-free-packaging-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Remove up to 100 g of plastic per dry bag unit with kraft, pulp and paper tape: tested alternatives, transit risks, cost maths and EPR compliance steps. Sustainability & Compliance https://keepdrybag.com/blog/polyester-vs-nylon-dry-bag-shell https://keepdrybag.com/blog/polyester-vs-nylon-dry-bag-shell Tue, 10 Feb 2026 09:00:00 +0800 Polyester and nylon shells split on four numbers: moisture regain, abrasion life, UV retention and weld behaviour. Measured figures and a decision matrix. Materials & Construction https://keepdrybag.com/blog/poolside-and-aquapark-kit https://keepdrybag.com/blog/poolside-and-aquapark-kit Tue, 10 Feb 2026 09:00:00 +0800 A pool or aquapark day needs 8 to 15 litres of waterproof kit split into a dry bag and a wet bag. Sizes, chlorine care, slide rules and a full packing list. Travel & Packing https://keepdrybag.com/blog/pressure-differential-in-dry-bags https://keepdrybag.com/blog/pressure-differential-in-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 How pressure differential works inside a dry bag: Boyle’s law at two metres, 25 kPa of outward push in an aircraft hold, and what the roll-top does about it. Waterproof Technology https://keepdrybag.com/blog/uv-damage-prevention-on-dry-bags https://keepdrybag.com/blog/uv-damage-prevention-on-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Ultraviolet ages a dry bag faster than salt: exposure maths by UV index, the parts that fail first, a two-minute damage score and a care calendar. Care & Repair https://keepdrybag.com/blog/printed-dry-bags-digital-vs-screen https://keepdrybag.com/blog/printed-dry-bags-digital-vs-screen Tue, 10 Feb 2026 09:00:00 +0800 Digital and screen printing on TPU dry bags differ in ink film, adhesion, colour range and cost per piece; this guide compares both with real test numbers. Design & Branding https://keepdrybag.com/blog/promotional-dry-bag-programs https://keepdrybag.com/blog/promotional-dry-bag-programs Tue, 10 Feb 2026 09:00:00 +0800 Promotional dry bag programs run on quantity, print method and lead time: unit costs of USD 4 to 22, 500-piece minimums, 6 to 10 day samples, 35 to 50 day bulk runs. Design & Branding https://keepdrybag.com/blog/prop-65-considerations-for-bags https://keepdrybag.com/blog/prop-65-considerations-for-bags Tue, 10 Feb 2026 09:00:00 +0800 Practical Prop 65 planning for dry bag programmes: which listed chemicals matter, how to test evidence them, and deciding between testing and warning labels. Sustainability & Compliance https://keepdrybag.com/blog/bass-fishing-gear-protection https://keepdrybag.com/blog/bass-fishing-gear-protection Tue, 10 Feb 2026 09:00:00 +0800 Bass fishing puts spray, fuel and sun on your kit for eight hours: capacity, stowage and fabric choices that keep electronics, tackle and documents dry. Activity Guides https://keepdrybag.com/blog/caving-gear-protection https://keepdrybag.com/blog/caving-gear-protection Tue, 10 Feb 2026 09:00:00 +0800 Caves punish gear with sharp limestone, mud and 95% humidity: a dry bag plan for 6-hour trips, with abrasion data, squeeze-friendly sizes and wash routines. Activity Guides https://keepdrybag.com/blog/festival-camping-gear-protection https://keepdrybag.com/blog/festival-camping-gear-protection Tue, 10 Feb 2026 09:00:00 +0800 Festival camping soaks gear from below, not above: a protection plan with bag sizes, tent placement heights, litres and weights for a four-day field event. Activity Guides https://keepdrybag.com/blog/stand-up-paddleboarding-gear-protection https://keepdrybag.com/blog/stand-up-paddleboarding-gear-protection Tue, 10 Feb 2026 09:00:00 +0800 Keep kit dry on a paddleboard: bungee geometry, bag sizes for a two-hour session, closure choice, deck heat, wipeout recovery and a full-day downwind load plan. Activity Guides https://keepdrybag.com/blog/triathlon-gear-protection https://keepdrybag.com/blog/triathlon-gear-protection Tue, 10 Feb 2026 09:00:00 +0800 Triathlon needs one 20L to 30L transition bag and one 5L wet bag: a gear plan with real weights, waterproof ratings for swim exit and road spray. Activity Guides https://keepdrybag.com/blog/protecting-a-laptop-in-a-dry-bag https://keepdrybag.com/blog/protecting-a-laptop-in-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 A 14-inch laptop needs a 6 to 10 mm padded sleeve inside an IPX7 roll-top of at least 15L; here is how to size, pad and pack it, plus the condensation trap to avoid. Travel & Packing https://keepdrybag.com/blog/puncture-resistance-testing https://keepdrybag.com/blog/puncture-resistance-testing Tue, 10 Feb 2026 09:00:00 +0800 Puncture resistance testing for dry bags explained: probe force in newtons, film thickness, denier, seam corners and pass thresholds with real data tables. Materials & Construction https://keepdrybag.com/blog/purge-valve-vs-no-valve https://keepdrybag.com/blog/purge-valve-vs-no-valve Tue, 10 Feb 2026 09:00:00 +0800 A purge valve buys 1 to 4 litres of compression and cleaner buoyancy control, then adds a second seal to fail. Here is when to specify one and when to leave it off. Materials & Construction https://keepdrybag.com/blog/quality-control-for-waterproof-bags https://keepdrybag.com/blog/quality-control-for-waterproof-bags Tue, 10 Feb 2026 09:00:00 +0800 Build quality control for waterproof bags with incoming checks, weld tests, AQL sampling, leak inspection and traceable release records. Waterproof Technology https://keepdrybag.com/blog/quality-signals-in-a-dry-bag-sample https://keepdrybag.com/blog/quality-signals-in-a-dry-bag-sample Tue, 10 Feb 2026 09:00:00 +0800 How to judge a dry bag sample in hand: weld width, film thickness, closure geometry, hardware loads and the tests that expose a weak build before you commit. Buying & Comparisons https://keepdrybag.com/blog/reach-compliance-for-dry-bags https://keepdrybag.com/blog/reach-compliance-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 REACH sets chemical limits for every article sold in the EU: SVHC thresholds, Annex XVII limits on phthalates, azo dyes and nickel, and the documents to hold. Sustainability & Compliance https://keepdrybag.com/blog/rf-welding-explained-for-dry-bags https://keepdrybag.com/blog/rf-welding-explained-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Radio-frequency welding melts TPU film from the inside out at 27.12 MHz. How the process works, which four parameters matter, and how weld strength is tested. Materials & Construction https://keepdrybag.com/blog/rain-protection-vs-submersion https://keepdrybag.com/blog/rain-protection-vs-submersion Tue, 10 Feb 2026 09:00:00 +0800 Rain and immersion load a dry bag in completely different ways: compare IPX grades, depth pressure, time and seam behaviour, then pick the rating you actually need. Waterproof Technology https://keepdrybag.com/blog/recyclable-dry-bag-design-trends https://keepdrybag.com/blog/recyclable-dry-bag-design-trends Tue, 10 Feb 2026 09:00:00 +0800 Mono-material shells, recycled TPU, removable hardware and water-based inks are reshaping dry bag design. The trends that raise recyclability, with real numbers. Sustainability & Compliance https://keepdrybag.com/blog/recycled-tpu-dry-bags https://keepdrybag.com/blog/recycled-tpu-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Recycled TPU dry bags explained: post-industrial and post-consumer feedstock, what recycled content does to strength and weldability, and the paperwork to request. Sustainability & Compliance https://keepdrybag.com/blog/red-flags-in-dry-bag-listings https://keepdrybag.com/blog/red-flags-in-dry-bag-listings Tue, 10 Feb 2026 09:00:00 +0800 Ten red flags in dry bag listings, from impossible litre claims to missing test standards, with the arithmetic behind each one and a five-minute pre-checkout audit. Buying & Comparisons https://keepdrybag.com/blog/reflective-accents-for-night-use https://keepdrybag.com/blog/reflective-accents-for-night-use Tue, 10 Feb 2026 09:00:00 +0800 Reflective accents move night-time detection from 40 m to over 150 m: retroreflective families, RA values, placement zones and wash-life data for TPU dry bags. Design & Branding https://keepdrybag.com/blog/removing-mildew-from-a-dry-bag https://keepdrybag.com/blog/removing-mildew-from-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 Learn how to remove mildew from a dry bag safely with mild washing, controlled spot treatment, full drying, odour checks and post-clean leak testing. Care & Repair https://keepdrybag.com/blog/repairing-instead-of-replacing https://keepdrybag.com/blog/repairing-instead-of-replacing Tue, 10 Feb 2026 09:00:00 +0800 A 12 patch on a 55 dry bag that buys three more years costs 4 per year against 18 for a replacement. Learn which repairs pay, which fail, and when to let go. Sustainability & Compliance https://keepdrybag.com/blog/repairing-a-dry-bag-seam-tear https://keepdrybag.com/blog/repairing-a-dry-bag-seam-tear Tue, 10 Feb 2026 09:00:00 +0800 A dry bag seam tear can be repaired reliably: find the split, choose the right patch film, prepare the surface properly and cure it for 24 hours for a lasting bond. Care & Repair https://keepdrybag.com/blog/repairing-a-punctured-dry-bag https://keepdrybag.com/blog/repairing-a-punctured-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 How to repair a punctured dry bag on TPU or PVC: find the hole, choose a patch, cure it correctly, test it, and know when a bag should be retired instead. Care & Repair https://keepdrybag.com/blog/replacing-a-broken-dry-bag-buckle https://keepdrybag.com/blog/replacing-a-broken-dry-bag-buckle Tue, 10 Feb 2026 09:00:00 +0800 A cracked buckle does not end a bag: identify the attachment type, match the webbing width and load rating, then swap the part at home in about fifteen minutes. Care & Repair https://keepdrybag.com/blog/retail-ready-dry-bag-presentation https://keepdrybag.com/blog/retail-ready-dry-bag-presentation Tue, 10 Feb 2026 09:00:00 +0800 Retail-ready dry bag presentation: packed dimensions, hang tags, barcodes, colour blocking and carton pack-out that let a waterproof bag sell from the shelf. Design & Branding https://keepdrybag.com/blog/rinsing-saltwater-off-dry-bags https://keepdrybag.com/blog/rinsing-saltwater-off-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Rinse saltwater off dry bags with a measured fresh-water routine for fabric, seams, closures, buckles, zips, straps, drying, inspection, and storage. Care & Repair https://keepdrybag.com/blog/ripstop-nylon-dry-bags https://keepdrybag.com/blog/ripstop-nylon-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Ripstop nylon dry bags versus plain weave: grid spacing, tear strength in newtons, coating routes, UV and hydrolysis limits, and where the grid is wrong. Materials & Construction https://keepdrybag.com/blog/rohs-and-dry-bag-hardware https://keepdrybag.com/blog/rohs-and-dry-bag-hardware Tue, 10 Feb 2026 09:00:00 +0800 Understand RoHS and dry bag hardware through substance limits, component mapping, metal finishes, plastic buckles, test plans, evidence, and change control. Sustainability & Compliance https://keepdrybag.com/blog/road-trip-organisation https://keepdrybag.com/blog/road-trip-organisation Tue, 10 Feb 2026 09:00:00 +0800 Road trip organisation gets easier with colour-coded dry bags: capacity maths by vehicle, heat limits in a parked car, and a ten-minute nightly unload. Travel & Packing https://keepdrybag.com/blog/roll-top-closure-engineering https://keepdrybag.com/blog/roll-top-closure-engineering Tue, 10 Feb 2026 09:00:00 +0800 Roll-top closure engineering explained: collar length, contact pressure per fold, stiffener durometer and buckle tension, with the numbers to specify on a drawing. Materials & Construction https://keepdrybag.com/blog/roll-top-dry-bag-for-island-hopping https://keepdrybag.com/blog/roll-top-dry-bag-for-island-hopping Tue, 10 Feb 2026 09:00:00 +0800 Island hopping means wet landings, sand and daily transfers: why roll-top closures beat zips, with exposure, sizing and fabric tables for a two-week route. Activity Guides https://keepdrybag.com/blog/roll-top-dry-bag-for-rock-climbing https://keepdrybag.com/blog/roll-top-dry-bag-for-rock-climbing Tue, 10 Feb 2026 09:00:00 +0800 Roll-top dry bags win for rock climbing because a rolled closure has no teeth for grit to jam and 0.5 mm TPU survives 4,000 abrasion cycles on granite. Activity Guides https://keepdrybag.com/blog/roll-top-dry-bag-for-spearfishing https://keepdrybag.com/blog/roll-top-dry-bag-for-spearfishing Tue, 10 Feb 2026 09:00:00 +0800 Roll-top dry bags beat hard cases for spearfishing: session-based capacity, blood and slime control, tip-resistant films, and a rinse routine for salt. Activity Guides https://keepdrybag.com/blog/roll-top-dry-bag-for-trail-running https://keepdrybag.com/blog/roll-top-dry-bag-for-trail-running Tue, 10 Feb 2026 09:00:00 +0800 Trail runners carry 2L to 12L of waterproof space: why roll-top closures beat zips and drawcords on the trail, with weights, bounce data and sizing tables. Activity Guides https://keepdrybag.com/blog/roll-top-dry-bag-for-whitewater-rafting https://keepdrybag.com/blog/roll-top-dry-bag-for-whitewater-rafting Tue, 10 Feb 2026 09:00:00 +0800 Why roll-top dry bags win on whitewater rafts: sand tolerance, frame abrasion, lashing, buoyancy after a flip and sizing from a day trip to an eight-day descent. Activity Guides https://keepdrybag.com/blog/roll-top-vs-zipper-dry-bags https://keepdrybag.com/blog/roll-top-vs-zipper-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Roll-top or waterproof zipper: closure mechanics, realistic IPX grades, service life, maintenance effort and what each option adds to the cost of a bag. Buying & Comparisons https://keepdrybag.com/blog/sailboat-galley-organisation https://keepdrybag.com/blog/sailboat-galley-organisation Tue, 10 Feb 2026 09:00:00 +0800 Sailboat galley organisation with dry bags: provisioning volume per person-day, galley zones, condensation control and a labelling system that works at sea. Travel & Packing https://keepdrybag.com/blog/saltwater-vs-freshwater-testing https://keepdrybag.com/blog/saltwater-vs-freshwater-testing Tue, 10 Feb 2026 09:00:00 +0800 Seawater versus freshwater testing compared: density, surface tension, conductivity and salt-crystal effects, plus a wet-dry cycle protocol. Waterproof Technology https://keepdrybag.com/blog/school-and-university-dry-bag-orders https://keepdrybag.com/blog/school-and-university-dry-bag-orders Tue, 10 Feb 2026 09:00:00 +0800 Planning school or university dry bag orders: sizes from 10L to 25L, film spec, marking methods, safety paperwork and a term-by-term order timeline. Design & Branding https://keepdrybag.com/blog/scuba-diving-dry-bag-size https://keepdrybag.com/blog/scuba-diving-dry-bag-size Tue, 10 Feb 2026 09:00:00 +0800 Scuba diving dry bag sizing by dive type: 10L for shore and day boat, 20L to 40L for liveaboards, with loads, boat-deck habits and a salt-water routine. Activity Guides https://keepdrybag.com/blog/sea-kayaking-dry-bag-size https://keepdrybag.com/blog/sea-kayaking-dry-bag-size Tue, 10 Feb 2026 09:00:00 +0800 Sea kayak dry bag sizing by hatch opening and trip length: 45-60 L for two days, 90-110 L for five, with compartment plans and real gear volumes. Activity Guides https://keepdrybag.com/blog/seam-integrity-over-service-life https://keepdrybag.com/blog/seam-integrity-over-service-life Tue, 10 Feb 2026 09:00:00 +0800 A welded dry bag seam loses peel strength slowly: what 25 N per 25 mm becomes after five years, how heat, load and UV accelerate it, and when to retire the bag. Waterproof Technology https://keepdrybag.com/blog/seam-tape-vs-welded-seam https://keepdrybag.com/blog/seam-tape-vs-welded-seam Tue, 10 Feb 2026 09:00:00 +0800 Seam tape and welded seams join the same panels but age very differently: peel strength, hydrolysis, temperature limits, repair options and when each join wins. Materials & Construction https://keepdrybag.com/blog/seasonal-colour-trends-for-outdoor-bags https://keepdrybag.com/blog/seasonal-colour-trends-for-outdoor-bags Tue, 10 Feb 2026 09:00:00 +0800 Outdoor bag colour moves on a 12 to 18 month cycle: the palettes leading in 2026, how long a trend colour stays sellable, and how to plan a range for 2028. Design & Branding https://keepdrybag.com/blog/second-life-programs-for-dry-bags https://keepdrybag.com/blog/second-life-programs-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 How take-back, refurbishment and redistribution work for dry bags: grading rules, cleaning steps, repair economics, recovery rates and the numbers to track. Care & Repair https://keepdrybag.com/blog/single-vs-double-layer-dry-bags https://keepdrybag.com/blog/single-vs-double-layer-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Single vs double layer dry bags differ by about 140 grams and one abrasion class: how wall count changes weight, repair, cost and real service life. Buying & Comparisons https://keepdrybag.com/blog/snowshoeing-dry-bag-size https://keepdrybag.com/blog/snowshoeing-dry-bag-size Tue, 10 Feb 2026 09:00:00 +0800 Snowshoeing needs 5L for a two-hour loop and 20L to 30L for a full winter day: a sizing guide with real litres, weights and cold-weather closure limits. Activity Guides https://keepdrybag.com/blog/spec-sheets-that-sell-dry-bags https://keepdrybag.com/blog/spec-sheets-that-sell-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 A dry bag spec sheet that sells carries twelve verifiable fields, real tolerances and dated test evidence: a field-by-field template with tables and examples. Design & Branding https://keepdrybag.com/blog/storing-dry-bags-rolled-or-flat https://keepdrybag.com/blog/storing-dry-bags-rolled-or-flat Tue, 10 Feb 2026 09:00:00 +0800 Rolled or flat: which storage method protects a dry bag’s film and welds, when each one is wrong, and the humidity and temperature numbers that decide it. Care & Repair https://keepdrybag.com/blog/storing-dry-bags-off-season https://keepdrybag.com/blog/storing-dry-bags-off-season Tue, 10 Feb 2026 09:00:00 +0800 Off-season dry bag storage: the pre-storage clean, drying targets, rolled versus flat, temperature and humidity limits, pest control and a spring check. Care & Repair https://keepdrybag.com/blog/wet-swimwear-storage https://keepdrybag.com/blog/wet-swimwear-storage Tue, 10 Feb 2026 09:00:00 +0800 A wet swimsuit still holds about 80 ml of water after wringing. Use this two-stage packing system to keep damp swim kit out of your dry bag, with drying times. Travel & Packing https://keepdrybag.com/blog/sun-and-sea-storage https://keepdrybag.com/blog/sun-and-sea-storage Tue, 10 Feb 2026 09:00:00 +0800 Sun and sea storage for water gear: keep masks, phones and clothing safe on sand and boats with a three-zone kit, real temperature tables and a daily rinse routine. Travel & Packing https://keepdrybag.com/blog/sustainability-questions-for-bag-makers https://keepdrybag.com/blog/sustainability-questions-for-bag-makers Tue, 10 Feb 2026 09:00:00 +0800 Sustainability questions for bag makers: recycled content proof, REACH and PFAS limits, carbon boundary, packaging rules, audits and end-of-life evidence. Sustainability & Compliance https://keepdrybag.com/blog/sustainable-dry-bag-buying-checklist https://keepdrybag.com/blog/sustainable-dry-bag-buying-checklist Tue, 10 Feb 2026 09:00:00 +0800 A sustainability checklist for dry bag buying: service life first, then film chemistry, recycled content, market compliance and a scorecard you can apply. Sustainability & Compliance https://keepdrybag.com/blog/atv-riding-tpu-dry-bag-guide https://keepdrybag.com/blog/atv-riding-tpu-dry-bag-guide Tue, 10 Feb 2026 09:00:00 +0800 TPU dry bags for ATV riding: film thickness against rack abrasion, mud and closure care, cold-start flexibility, safe washing and inspection intervals. Activity Guides https://keepdrybag.com/blog/dinghy-racing-tpu-dry-bag-guide https://keepdrybag.com/blog/dinghy-racing-tpu-dry-bag-guide Tue, 10 Feb 2026 09:00:00 +0800 Dinghy racing loads a bag with capsize shock, deck abrasion and 54 kPa of dynamic pressure: TPU film, seam and closure notes with service-life figures for fleets. Activity Guides https://keepdrybag.com/blog/dinghy-sailing-tpu-dry-bag-guide https://keepdrybag.com/blog/dinghy-sailing-tpu-dry-bag-guide Tue, 10 Feb 2026 09:00:00 +0800 Dinghy sailing punishes gear with spray, chafe and UV: choose TPU film, welded seams and lash points that survive a full race season. Activity Guides https://keepdrybag.com/blog/packrafting-tpu-dry-bag-guide https://keepdrybag.com/blog/packrafting-tpu-dry-bag-guide Tue, 10 Feb 2026 09:00:00 +0800 Packrafting durability notes for TPU dry bags: film thickness, weld quality, strap loads, cold behaviour and field repair, with abrasion figures. Activity Guides https://keepdrybag.com/blog/waterfowl-hunting-tpu-dry-bag-guide https://keepdrybag.com/blog/waterfowl-hunting-tpu-dry-bag-guide Tue, 10 Feb 2026 09:00:00 +0800 TPU dry bags for waterfowl hunting: decoy loads, cold-weather film behaviour, mud abrasion, camo finish, hardware with gloves and an end-of-hunt routine. Activity Guides https://keepdrybag.com/blog/tpu-film-thickness-0-3mm-vs-0-5mm https://keepdrybag.com/blog/tpu-film-thickness-0-3mm-vs-0-5mm Tue, 10 Feb 2026 09:00:00 +0800 Compare TPU film thickness at 0.3mm vs 0.5mm for dry bags, including weight, flexibility, abrasion, welding, cold use and service-life trade-offs. Materials & Construction https://keepdrybag.com/blog/tpu-vs-pvc-backpack-fabric https://keepdrybag.com/blog/tpu-vs-pvc-backpack-fabric Tue, 10 Feb 2026 09:00:00 +0800 Compare TPU and PVC backpack fabric on weight, cold flex, abrasion, welding, service life and compliance, with grams per square metre and cost-per-year figures. Buying & Comparisons https://keepdrybag.com/blog/tpu-vs-pvc-dry-bag-fabric https://keepdrybag.com/blog/tpu-vs-pvc-dry-bag-fabric Tue, 10 Feb 2026 09:00:00 +0800 TPU vs PVC dry bag fabric compared on weight, cold flex, abrasion, weld strength, ageing and cost, with measured numbers for 0.3 mm and 0.5 mm film. Materials & Construction https://keepdrybag.com/blog/team-and-club-dry-bags https://keepdrybag.com/blog/team-and-club-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Team and club dry bags share one kit room and forty members: how to size a fleet, place a crest, number every bag and reorder in club colours. Design & Branding https://keepdrybag.com/blog/testing-a-dry-bag-at-home https://keepdrybag.com/blog/testing-a-dry-bag-at-home Tue, 10 Feb 2026 09:00:00 +0800 Five home tests for a dry bag: squeeze, bath submersion, shower spray, closure wipe and float check, with pass thresholds, kit lists and marginal results. Waterproof Technology https://keepdrybag.com/blog/air-inflation-leak-test https://keepdrybag.com/blog/air-inflation-leak-test Tue, 10 Feb 2026 09:00:00 +0800 Learn the air inflation leak test for dry bags: safe setup, pressure control, seam checks, bubble detection, pass criteria, records, and test limits. Waterproof Technology https://keepdrybag.com/blog/value-of-a-tested-waterproof-rating https://keepdrybag.com/blog/value-of-a-tested-waterproof-rating Tue, 10 Feb 2026 09:00:00 +0800 A tested waterproof rating is worth paying for: what IPX grades and hydrostatic head figures really prove, what they miss, and how to price the cost of a failed bag. Buying & Comparisons https://keepdrybag.com/blog/tropical-rainy-season-travel https://keepdrybag.com/blog/tropical-rainy-season-travel Tue, 10 Feb 2026 09:00:00 +0800 Tropical rainy-season travel: keep kit dry at 30 °C and 90% humidity with a two-layer system, IPX6 to IPX7 bags, drying times and mould prevention. Travel & Packing https://keepdrybag.com/blog/tropical-travel-dry-bag-size https://keepdrybag.com/blog/tropical-travel-dry-bag-size Tue, 10 Feb 2026 09:00:00 +0800 Tropical trips need 25 to 40 litres of waterproof space at 85% humidity: trip-length sizing tables, three-bag splits and weight budgets for beach and island travel. Activity Guides https://keepdrybag.com/blog/uv-stabilised-dry-bag-fabric https://keepdrybag.com/blog/uv-stabilised-dry-bag-fabric Tue, 10 Feb 2026 09:00:00 +0800 How UV-stabilised dry bag fabric works: aromatic versus aliphatic TPU, HALS loadings, carbon black, xenon hours and the retention figures that predict service life. Materials & Construction https://keepdrybag.com/blog/upcycling-old-dry-bags https://keepdrybag.com/blog/upcycling-old-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Old dry bags can become bucket liners, wet-gear pouches, tool rolls and seat pads: a triage guide, the tools that cut laminated film and projects that actually last. Care & Repair https://keepdrybag.com/blog/warranty-testing-standards https://keepdrybag.com/blog/warranty-testing-standards Tue, 10 Feb 2026 09:00:00 +0800 Which test standards stand behind a dry bag warranty: IPX codes, hydrostatic head, weld peel strength, AQL 2.5 sampling and the cycle data behind a realistic term. Waterproof Technology https://keepdrybag.com/blog/water-column-test-basics https://keepdrybag.com/blog/water-column-test-basics Tue, 10 Feb 2026 09:00:00 +0800 Water column testing ranks fabric against rising pressure: ISO 811 rates, unit conversions, realistic results by construction and what the number never tells you. Waterproof Technology https://keepdrybag.com/blog/water-based-printing-ink https://keepdrybag.com/blog/water-based-printing-ink Tue, 10 Feb 2026 09:00:00 +0800 Water-based inks for waterproof film: surface energy, cure windows, adhesion targets and VOC arithmetic, plus the print zones to avoid on a roll-top dry bag. Sustainability & Compliance https://keepdrybag.com/blog/water-resistant-vs-waterproof-packs https://keepdrybag.com/blog/water-resistant-vs-waterproof-packs Tue, 10 Feb 2026 09:00:00 +0800 Water-resistant and waterproof packs are different engineering problems: compare coatings, welded seams, IPX grades and hydrostatic head, with a home test. Waterproof Technology https://keepdrybag.com/blog/waterproof-backpack-vs-dry-bag-in-a-pack https://keepdrybag.com/blog/waterproof-backpack-vs-dry-bag-in-a-pack Tue, 10 Feb 2026 09:00:00 +0800 Compare a welded waterproof backpack with a dry bag liner inside a normal pack: weight, access time, IPX ratings, failure modes and cost per season, with figures. Buying & Comparisons https://keepdrybag.com/blog/canoeing-waterproof-packing-list https://keepdrybag.com/blog/canoeing-waterproof-packing-list Tue, 10 Feb 2026 09:00:00 +0800 A canoe trip needs 40 to 70 litres of waterproof volume per person: this list gives volumes, weights, bag sizes and trim rules for day trips and multi-day routes. Activity Guides https://keepdrybag.com/blog/canyoneering-waterproof-packing-list https://keepdrybag.com/blog/canyoneering-waterproof-packing-list Tue, 10 Feb 2026 09:00:00 +0800 A canyoneering packing list built around waterproof tiers: 25 to 35 litres of dry storage, rope and hardware weights, cold water maths and flash-flood planning. Activity Guides https://keepdrybag.com/blog/desert-camping-waterproof-packing-list https://keepdrybag.com/blog/desert-camping-waterproof-packing-list Tue, 10 Feb 2026 09:00:00 +0800 Desert camping needs waterproof packing for flash floods, overnight dew and water hauling: a bag-by-bag list with litres, weights and a water budget. Activity Guides https://keepdrybag.com/blog/fly-fishing-waterproof-packing-list https://keepdrybag.com/blog/fly-fishing-waterproof-packing-list Tue, 10 Feb 2026 09:00:00 +0800 A fly fishing day puts kit in the water for hours: a waterproof packing list with volumes, weights, wet-risk ratings and bag placement for wading, boats and rafts. Activity Guides https://keepdrybag.com/blog/obstacle-racing-waterproof-packing-list https://keepdrybag.com/blog/obstacle-racing-waterproof-packing-list Tue, 10 Feb 2026 09:00:00 +0800 Obstacle racing needs a 10L dry bag and a 20L to 30L wet bag: a packing list with weights, waterproof ratings for dunk walls and mud pits, and cleaning steps. Activity Guides https://keepdrybag.com/blog/waterproof-zipper-types-for-dry-bags https://keepdrybag.com/blog/waterproof-zipper-types-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Coil, laminated and moulded-tooth waterproof zippers compared by seal mechanism, hydrostatic rating, weight and failure mode, with a spec checklist. Materials & Construction https://keepdrybag.com/blog/welded-handles-on-tpu-dry-bags https://keepdrybag.com/blog/welded-handles-on-tpu-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Welded handles on TPU dry bags hold 25 to 60 kg when the weld runs at least 20 mm wide and is made by radio-frequency energy: geometry, load paths and test data. Materials & Construction https://keepdrybag.com/blog/welded-vs-stitched-dry-bag-seams https://keepdrybag.com/blog/welded-vs-stitched-dry-bag-seams Tue, 10 Feb 2026 09:00:00 +0800 Compare welded and stitched dry bag seams: how each join is made, real peel and tear figures, failure modes over three years, and which seam belongs on your gear. Materials & Construction https://keepdrybag.com/blog/bikepacking-wet-weather-kit https://keepdrybag.com/blog/bikepacking-wet-weather-kit Tue, 10 Feb 2026 09:00:00 +0800 Bikepacking wet-weather kit: the layer set that needs sealed space, real volumes and weights, closure discipline with cold hands, and drying plans on route. Activity Guides https://keepdrybag.com/blog/ice-fishing-wet-weather-kit https://keepdrybag.com/blog/ice-fishing-wet-weather-kit Tue, 10 Feb 2026 09:00:00 +0800 Build a wet-weather kit for ice fishing: slush volumes, cold-crack limits of TPU and PVC, battery losses at sub-zero temperatures and a full day load plan. Activity Guides https://keepdrybag.com/blog/pool-days-wet-weather-kit https://keepdrybag.com/blog/pool-days-wet-weather-kit Tue, 10 Feb 2026 09:00:00 +0800 A two-bag wet-weather kit keeps pool days organised: chlorine-safe bags, wet liners, condensation control and a rinse routine for lanes, lessons and family swims. Activity Guides https://keepdrybag.com/blog/van-life-wet-weather-kit https://keepdrybag.com/blog/van-life-wet-weather-kit Tue, 10 Feb 2026 09:00:00 +0800 Van life generates 1.5 litres of water a day inside the cabin: a wet-weather kit plan with moisture maths, ventilation rates, bag sizes and a drying routine. Activity Guides https://keepdrybag.com/blog/windsurfing-wet-weather-kit https://keepdrybag.com/blog/windsurfing-wet-weather-kit Tue, 10 Feb 2026 09:00:00 +0800 Windsurfing kit needs 12 to 18 litres of waterproof space for a three-hour session: spray ratings, beach-stage sand control, cold-water layers and a rinse routine. Activity Guides https://keepdrybag.com/blog/what-denier-is-best-for-dry-bags https://keepdrybag.com/blog/what-denier-is-best-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Most dry bags are best at 420D to 500D shell fabric paired with a 0.4 to 0.5 mm film: denier compared by abrasion cycles, weight per bag, weld behaviour and cost. Dry Bag Answers https://keepdrybag.com/blog/10l-dry-bag-what-fits https://keepdrybag.com/blog/10l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 10L dry bag seals about 8 litres once rolled: measured clothing, camera and food loadouts with item volumes, weights and the trips where 10L is right. Capacity & Sizing https://keepdrybag.com/blog/15l-dry-bag-what-fits https://keepdrybag.com/blog/15l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 15L dry bag seals about 12.6 litres once rolled: measured clothing, food, water and camera loadouts with volumes, weights and the trips where 15L beats 10L. Capacity & Sizing https://keepdrybag.com/blog/20l-dry-bag-what-fits https://keepdrybag.com/blog/20l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 See exactly what fits in a 20L dry bag, with measured packing lists for paddling, hiking, beach days, travel, clothing, food, and camera gear. Capacity & Sizing https://keepdrybag.com/blog/25l-dry-bag-what-fits https://keepdrybag.com/blog/25l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 Exactly what fits in a 25L dry bag: measured day, overnight and paddling loads with real weights, litre breakdowns and the space three closure rolls use. Capacity & Sizing https://keepdrybag.com/blog/2l-dry-bag-what-fits https://keepdrybag.com/blog/2l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 See what fits in a 2L dry bag, with measured packing lists for phones, first aid, snacks and small electronics plus roll-top capacity limits. Capacity & Sizing https://keepdrybag.com/blog/30l-dry-bag-what-fits https://keepdrybag.com/blog/30l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 30L roll-top holds about 25 litres after three folds: exactly what fits, what the load weighs, and when 30L beats a 20L or a 40L bag. Capacity & Sizing https://keepdrybag.com/blog/35l-dry-bag-what-fits https://keepdrybag.com/blog/35l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 35L dry bag holds about 30 litres once rolled: item-by-item loads, packed weights and fit tables for canoe trips, week-long hikes, dive kits and expeditions. Capacity & Sizing https://keepdrybag.com/blog/40l-dry-bag-what-fits https://keepdrybag.com/blog/40l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 40L dry bag holds 30 to 34 litres once rolled. See item-by-item load tables, real packed weights, and how 40L compares with 30L, 35L and 50L. Capacity & Sizing https://keepdrybag.com/blog/50l-dry-bag-what-fits https://keepdrybag.com/blog/50l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 50L dry bag holds about 44 litres once rolled: a two-night camp at 10-12 kg. Real item volumes, packed dimensions and boat-fit limits. Capacity & Sizing https://keepdrybag.com/blog/5l-dry-bag-what-fits https://keepdrybag.com/blog/5l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 5L dry bag really holds about 4 litres once rolled: measured loadouts for commute, paddle and trail kits, with item volumes, weights and closure limits. Capacity & Sizing https://keepdrybag.com/blog/60l-dry-bag-what-fits https://keepdrybag.com/blog/60l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 60L dry bag holds 48 to 52 usable litres: packed litre tables, real dimensions, loaded weights and the fold maths behind the printed number. Capacity & Sizing https://keepdrybag.com/blog/70l-dry-bag-what-fits https://keepdrybag.com/blog/70l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 70L dry bag gives about 62 usable litres after rolling: real dimensions, a seven-day load list, packed weight and the film spec this size needs. Capacity & Sizing https://keepdrybag.com/blog/90l-dry-bag-what-fits https://keepdrybag.com/blog/90l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 A 90L dry bag gives 78 to 90 usable litres and carries 16 to 22 kg: real load-outs, dimensions, lift limits and transport checks before you buy that size. Capacity & Sizing https://keepdrybag.com/blog/80l-dry-bag-what-fits https://keepdrybag.com/blog/80l-dry-bag-what-fits Tue, 10 Feb 2026 09:00:00 +0800 An 80L dry bag holds about 68 to 80 litres after three folds: real load-outs, packed weights, split patterns and transport limits for expeditions and family kit. Capacity & Sizing https://keepdrybag.com/blog/what-happens-if-you-submerge-a-dry-bag https://keepdrybag.com/blog/what-happens-if-you-submerge-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 What really happens when you submerge a dry bag: pressure at 1 m and 3 m, how the roll-top reacts, air compression, time limits and what to check afterwards. Dry Bag Answers https://keepdrybag.com/blog/what-happens-when-a-seam-fails https://keepdrybag.com/blog/what-happens-when-a-seam-fails Tue, 10 Feb 2026 09:00:00 +0800 A failed welded seam on a dry bag usually starts as a slow weep, not a split: failure modes, real ingress rates in ml per minute, detection tests and repair rules. Waterproof Technology https://keepdrybag.com/blog/what-is-a-dry-bag-and-how-does-it-work https://keepdrybag.com/blog/what-is-a-dry-bag-and-how-does-it-work Tue, 10 Feb 2026 09:00:00 +0800 A dry bag is a welded, coated-shell container that seals with a folded closure: how the fabric, seams and roll-top keep water out, and where the limits are. Dry Bag Answers https://keepdrybag.com/blog/what-size-dry-bag-fits-a-sleeping-bag https://keepdrybag.com/blog/what-size-dry-bag-fits-a-sleeping-bag Tue, 10 Feb 2026 09:00:00 +0800 Match a dry bag to your sleeping bag: packed volumes from 6L to 25L by fill and rating, the 20% lost to three folds, and when a 30L beats a 20L. Dry Bag Answers https://keepdrybag.com/blog/what-temperature-damages-a-dry-bag https://keepdrybag.com/blog/what-temperature-damages-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 What temperature damages a dry bag? TPU softens above 60 °C, PVC cracks near minus 20 °C, and warm humidity attacks both, plus recovery steps. Dry Bag Answers https://keepdrybag.com/blog/what-to-skip-when-buying-dry-bags https://keepdrybag.com/blog/what-to-skip-when-buying-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Dry bag features not worth paying for: oversized litre counts, main zips, heavy PVC, clear windows and unverified waterproof claims, plus the specs to buy instead. Buying & Comparisons https://keepdrybag.com/blog/when-a-dry-bag-is-not-a-life-jacket https://keepdrybag.com/blog/when-a-dry-bag-is-not-a-life-jacket Tue, 10 Feb 2026 09:00:00 +0800 A sealed dry bag provides temporary flotation, not life-saving buoyancy: learn the force, standard and cold-water limits before trusting one. Buying & Comparisons https://keepdrybag.com/blog/when-to-retire-a-dry-bag https://keepdrybag.com/blog/when-to-retire-a-dry-bag Tue, 10 Feb 2026 09:00:00 +0800 The five failure signatures that end a dry bag, a twelve-minute inspection with a 100-point scorecard, and honest repair-versus-replace maths by material and use. Care & Repair https://keepdrybag.com/blog/why-air-traps-matter-in-dry-bags https://keepdrybag.com/blog/why-air-traps-matter-in-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Trapped air changes buoyancy, loads the roll-top closure and wastes packing space: how air pockets behave with depth and heat, and how much air to leave in. Waterproof Technology https://keepdrybag.com/blog/why-do-you-roll-a-dry-bag-three-times https://keepdrybag.com/blog/why-do-you-roll-a-dry-bag-three-times Tue, 10 Feb 2026 09:00:00 +0800 Three folds give three pressure breaks, under 2 ml of ingress in 30 minutes at one metre and about 2,200 cycles before crease fatigue. Why more is worse. Dry Bag Answers https://keepdrybag.com/blog/why-some-dry-bags-smell-new https://keepdrybag.com/blog/why-some-dry-bags-smell-new Tue, 10 Feb 2026 09:00:00 +0800 Why some dry bags smell new: the five odour sources in film, coating, ink, adhesive and packaging, how long each takes to fade, and how to clear it safely. Materials & Construction https://keepdrybag.com/blog/window-branding-on-dry-bags https://keepdrybag.com/blog/window-branding-on-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Window branding on dry bags means printing on a clear TPU panel: placement, ink adhesion, legibility over contents and weld rules that keep the panel waterproof. Design & Branding https://keepdrybag.com/blog/winter-travel-slush-protection https://keepdrybag.com/blog/winter-travel-slush-protection Tue, 10 Feb 2026 09:00:00 +0800 Slush, road salt and freezing rain ruin ordinary luggage: how to pack a waterproof roll-top system for winter travel, with temperatures, weights and drying times. Travel & Packing https://keepdrybag.com/blog/zipper-maintenance-for-dry-bags https://keepdrybag.com/blog/zipper-maintenance-for-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 A waterproof zip is the first thing to fail on a dry bag: rinsing, lubrication, cleaning and storage routines that take zip life from two seasons to ten years. Care & Repair https://keepdrybag.com/blog/bluesign-certified-fabrics https://keepdrybag.com/blog/bluesign-certified-fabrics Tue, 10 Feb 2026 09:00:00 +0800 bluesign-Certified fabrics: what the label covers, how input-stream control differs from product testing, and how to verify a claim on a waterproof bag range. Sustainability & Compliance https://keepdrybag.com/blog/rpet-fabric-dry-bags https://keepdrybag.com/blog/rpet-fabric-dry-bags Tue, 10 Feb 2026 09:00:00 +0800 Understand rPET fabric dry bags, from recycled-content evidence and TPU lamination to durability, waterproof tests, traceability and end-of-life limits. Sustainability & Compliance