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Waterproof Mountain Backpack, More than 26 years, Expert companies from all over the world take us as their long-term and stable partners. We're keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.

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  • Waterproof Soft Cooler 24 Cans Leak-Proof High Capacity Backpack Soft Pack

    Waterproof Soft Cooler 24 Cans Leak-Proof High Capacity Backpack Soft Pack

    The waterproof soft cooler 24 cans leak-proof high capacity backpack soft pack is made of 840D TPU material, which can store 35-40 cans of beverages to the maximum extent. Weatherproof and airtight, you can store food when you are outdoors, Advanced Cooling Performance, High-quality insulation in 3 unique layers works together to keep your food and drinks cool for up to 3 days. The outer layer has a water-proof surface that ensured no sweat, the middle layer is high-density foam and the interior is fully lined with leak-proof material100% Leakproof and Impact Resistant, soft cooler features a waterproof and tough shell to resistant to punctures and UV rays. The Airtight Zipper with an easy-pull tab keeps the bag cooler leak-proof.BPA Free, The liner of soft-sided coolers is made from BPA-free material, superior quality, and competitive price. Perfect companion gear for lunches, beach picnics, park, tailgating, hiking, camping, or backyard use
  • 15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System

    15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System

    Sealock supplies the 15L TPU Waterproof Cycling Backpack with Floating Ventilated Back System, a welded TPU pack rated IPX6 with a waterproof dual zipper, a suspended ventilated back panel, a slim cycling fit and a full harness — padded straps, a sliding sternum strap and a waist belt. It adds a gear-attachment system and an internal pocket. OEM/ODM from MOQ 300, FOB Guangdong.
  • Waterproof Dry Bag for Kayaking with Window

    Waterproof Dry Bag for Kayaking with Window

    The Waterproof Dry Bag for Kayaking with Window is made of PVC mesh 500D, which is more durable. It is designed with a transparent window, and the stored clothes and supplies can be clearly seen, which is convenient for outdoor use. Airtight, this round tube waterproof bag can be used for outdoor adventures, diving, swimming, boating, rafting, canoeing, etc.
  • Waterproof Duffle Bag for Kayaking

    Waterproof Duffle Bag for Kayaking

    Waterproof Duffle Bag for Kayaking has a large main compartment with an IPX8 waterproof zipper. You can set off without folding it or just fold the bag once or twice and stick the handles together! Our duffel bag is soft and fully foldable, making it convenient for storage.
  • 22L Waterproof TPU Urban Backpack with Waterproof Zipper

    22L Waterproof TPU Urban Backpack with Waterproof Zipper

    Sealock supplies the 22L Waterproof TPU Urban Backpack with Waterproof Zipper, a welded 420D TPU commuter pack rated IPX6 with a waterproof main zipper under a protective rain flap, a 15.6" laptop compartment, internal organizer pockets and a breathable ergonomic harness. Built for commuting, cycling and travel. OEM/ODM waterproof urban backpack manufacturer, MOQ 300, FOB Guangdong.
  • 10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch

    10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch

    Sealock supplies the 10L/20L Waterproof Dry Bag with Dry-Wet Separation Pouch, an IPX7 roll-top dry bag in eco-friendly PVC with a double waterproof closure and a removable inner pouch that keeps wet kit away from dry. It carries three ways — shoulder, backpack or hand — in pink or blue camouflage, with OEM/ODM and customized logo available from an MOQ of 300 pcs.
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  • What Is a Dry Bag & How Does It Work?

    A dry bag is the simplest piece of waterproof gear most people own — and the most misunderstood. Here is exactly what it is, the three things that make it keep water out, and why not every dry bag is "waterproof" in the same way.

  • Lightweight Waterproof Dry Bag for Hiking – Compact & Durable

    The Lightweight Waterproof Dry Bag is a compact and durable solution for protecting your essentials during outdoor adventures. Made from high-quality 500D PVC tarpaulin, it offers excellent waterproof performance, multiple capacity options, and a convenient roll-top closure. Ideal for hiking, camping, beach trips, and travel, the Sealock SL-D110 ensures your gear stays safe, dry, and organized in any condition.

  • What are the characteristics of a Waterproof Soft Cooler

    The characteristics of a Waterproof Soft Cooler can be summarized as follows:

  • TPU Dry Bags: Material Advantages for Premium Waterproof Products

    Sealock is a TPU dry bag manufacturer supplying premium waterproof bags to outdoor brands and importers sourcing at the material level. For a procurement team, the choice between TPU, PVC, and PU is not a detail — it decides weight, cold-weather behavior, service life, hand-feel, and compliance, and it is the single factor most responsible for why two bags that look identical online perform completely differently after a season. This is what TPU actually delivers as a material, where its cost is justified, and where it is not.

  • Surviving the Worst-Case Scenario: How Sourcing Managers Evaluate Extreme-Condition Dry Bags

    In the consumer market, a dry bag failure means a wet phone. In professional white-water, offshore marine, and tactical search and rescue applications, it means destroyed mission-critical equipment or compromised emergency response capability. This guide approaches dry bag sourcing from three real extreme-use scenarios, identifying the specific failure modes that standard construction produces under each condition and the manufacturing specifications—840D TPU, RF welded seams, airtight submersible zippers, cold-crack resistant materials—that address them. Written for sourcing managers and product directors supplying professional outdoor, marine, and tactical markets where product failure is a liability rather than an inconvenience.

  • Best Waterproof Motorcycle Bag: ADV Packing & Strap-Down Physics

    At 120 km/h, aerodynamic drag vectors convert loose dry bag wrinkles into micro-parachutes, ripping weak PVC seams and throwing cargo weight balances off axis. This tactical dual-site manual strips away cosmetic retail marketing to deliver raw, factory-floor strap-down mechanics and high-frequency material load profiles for serious adventure touring riders.

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