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Roll-top dry bag backpacks for paddling and travel · IPX6–IPX7

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Lightweight Airtight Waterproof Backpack · 15L

Sealock 15L Airtight Waterproof Backpack is a next-generation technical dry pack engineered for extreme water environments. Built with a proprietary airtight zipper system and RF-welded TPU inner chamber, it delivers IPX6-level protection against heavy rain, waves, and high-pressure water exposure. Weighing only 400g, this ultra-light backpack combines durability and mobility with a 420D ripstop outer shell and ergonomic 3D honeycomb airflow back panel. Inside, a dedicated fleece-lined 15-inch laptop compartment ensures electronic safety even in marine conditions. Designed for kayaking, surfing, rafting, monsoon trekking, and offshore travel, this pack is also optimized for OEM/ODM customization, making it a strong B2B product for outdoor, diving, and tactical gear brands.

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Lightweight Waterproof Daypack

A masterclass in modern functional design, this 25L Urban Minimalist Waterproof Daypack is engineered for the fast-paced commuter and weekend explorer. Moving away from heavy, rigid traditional dry bags, it features a technical Ripstop TPU Laminated Nylon (210D/420D line) that balances extreme lightness with advanced weather resistance. Equipped with a PU-coated waterproof zipper, this pack offers sleek, streamlined protection against heavy rain and splashes without the bulky aesthetics of military gear. It is your ultimate all-weather companion for city streets, cycling lanes, coastal travels, and everyday light outdoor adventures.

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TPU 25L Traceable Outdoor Waterproof Backpack

TPU 25L Traceable Outdoor Waterproof Backpack mountain, outdoor hiking, travel mountaineering, the weight of the whole backpack is about 300G, the material color is 4 division TPU, super waterproof performance, can withstand heavy rain, streams, keep the items in the bag dry, capacity 25 liters, with a special bag for storing a computer

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Waterproof Kayak Backpack with Red 28liter

Waterproof Kayak Backpack with Red 28liter, material 500D PVC, thickness 0.5MM, the whole bag is semi-circular design, there is a sunroof for storing mobile phones on the front side, you can use the mobile phone to keep dry, add a multi-function lock, lock the paddle board, right there is a deflated and inflatable device on the side, which can fill the bag with gas to the maximum extent, temporary life-saving protection, and carry one-piece EVA on the back to reduce the weight and heat during hiking. The 28-liter capacity can meet a day's play.

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Which Roll-Top Dry Backpack Suits Your Trip?

For kayaking and rafting, our 45L roll-top dry backpack with clear window pocket keeps a map visible and carries a full harness with hip belt. Our 40L dry backpack with airtight zipper and air valve is rated IPX7 and converts between backpack and hand carry. For travel and camping, our 30L roll-top dry backpack suits day trips, and our roll-top backpack with wrap-around zip adds side access without unrolling the top.

How Do You Close a Roll-Top Backpack?

Clear the opening, line up the sealing strip, push out excess air, fold the top tightly at least three times and clip the buckles. Our guide on how to close and use a roll-top dry bag covers the steps. For hiking packs with zipper openings, see our Waterproof Hiking Backpack collection, and for dry bags without harnesses, our Kayak Dry Bags collection.

Roll-Top Dry Backpack FAQ

Is a roll-top backpack waterproof?

A welded roll-top folded at least three times keeps out heavy rain and spray, and many models are rated IPX7 for short immersion.

Will a roll-top dry backpack float?

A sealed backpack with air inside usually floats, and purge valves help control the air. It is never a flotation device.

What is the MOQ for custom roll-top backpacks?

300 pieces per design, including your logo.

For a quote, send your model, quantity, colours and logo through our inquiry form or email info@sealock.com.hk.