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Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for custom branded waterproof airtight backpack supplier,best airtight waterproof backpack for kayaking and rafting,lightweight IPX6 waterproof backpack for water sports,waterproof backpack with airtight zipper and laptop compartment,OEM waterproof dry backpack manufacturer in China, Currently, we're seeking ahead to even bigger cooperation with abroad customers according to mutual gains. Please experience free of charge to get in touch with us for more specifics.
custom branded waterproof airtight backpack supplier, We are proud to supply our items to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.

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  • Camouflage Hiking Backpack 30Liter

    Camouflage Hiking Backpack 30Liter

    Professional camouflage hiking Backpack 30Liter, using TPU composite environmental protection material 420D, super tensile force and durability, seamless joint technology makes the bag more waterproof and airtight, you can use it in water, boat, mud, protection Your gear is safe.
  • 20L Roll Top Waterproof Backpack with Laptop Sleeve for Commuting and Travel

    20L Roll Top Waterproof Backpack with Laptop Sleeve for Commuting and Travel

    Sealock supplies the 20L Roll Top Waterproof Backpack with Laptop Sleeve for Commuting and Travel, a welded 500D PVC pack rated IPX6 with a roll-top and side-compression buckles. It keeps gear dry through heavy rain, adds a laptop sleeve, a front splash pocket, an internal organizer and side bottle pockets, and carries on breathable mesh straps. OEM/ODM and wholesale from MOQ 300, FOB Guangdong.
  • Lightweight Waterproof Fly Fish Shoulder Bag 10L

    Lightweight Waterproof Fly Fish Shoulder Bag 10L

    Lightweight Waterproof Fly Fish Shoulder Bag 10L, suitable for various outdoor streams, with airtight waterproof zipper to keep the inside of the bag dry, single shoulder design, easy to take the items inside the bag when in use, about 10L capacity, It can store fishhooks, fishing lines, bait boxes, etc. The overall bag is waterproof, and the 420D TPU waterproof layer is used for the color, and the seamless combination process ensures that the items in the bag are always safe. There is a hand-held fishing net on the front of the main bag, and a variety of hanging system, fully perfect the outdoor fishing function
  • Universal IPX8 Waterproof Phone Pouch with Camera Window

    Universal IPX8 Waterproof Phone Pouch with Camera Window

    Sealock supplies the Universal IPX8 Waterproof Phone Pouch with Camera Window, model SL-A064, a heat-sealed PVC pouch rated IPX8 to 30 m with a full front touch window AND an independent rear camera window — so you can shoot photos and video underwater without taking the phone out. Dual ABS slide locks, silicone seal, adjustable neck lanyard, fits phones up to 7.0". OEM/ODM from MOQ 300, FOB Guangdong.
  • Water-Resistant Camo Duffel Bag with Detachable Front Pouch (IPX6)

    Water-Resistant Camo Duffel Bag with Detachable Front Pouch (IPX6)

    Sealock supplies the SL-C893 Water-Resistant Camo Duffel Bag, a fully welded duffel rated IPX6 that closes on a heavy-duty coated waterproof zipper with a moulded T-grip pull, featuring a detachable front accessory pouch, welded MOLLE-style lash strips, removable backpack straps and a heavy-duty abrasion base. Built in a high-definition concealment camo for hunting, boating and expedition use. OEM/ODM from MOQ 300, FOB Guangdong.
  • Bicycle Saddle Bag

    Bicycle Saddle Bag

    The Bicycle Saddle Bag has many good details. You can conveniently store and access cash, keys, and snack shops. Its structured interior can neatly accommodate small repair tools such as tire levers, multifunctional tools, and patch kits. By virtue of its size
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  • Mission-Critical Waterproofing: Engineering Tactical and SAR Dry Bags for Zero-Failure Scenarios

    When the contents of a dry bag are a $15,000 encrypted radio, a trauma kit, or a team's only communications link, "water-resistant" is not a useful product specification. This whitepaper works through three failure scenarios specific to tactical and SAR dry bag applications—maritime amphibious insertion under surf stress, sub-zero alpine SAR deployment where PVC shatters, and night operations where standard commercial hardware creates optical signature risk. For each scenario it covers the construction failure mode in detail and the manufacturing specifications that address it: airtight mechanical zipper closures, 840D TPU with tested cold-weather flexibility, RF-welded load-bearing hardware attachment, and OPSEC-compliant non-reflective hardware selection.

  • Dry Bag Size Guide: Choose the Right Waterproof Capacity

    Practical guide to choosing dry bag sizes (5L–40L) based on real field tests. Covers kayak and hiking use, showing true packing capacity, seal reliability, and risks of under/overpacking guide for paddlers.

  • Motorcycle Waterproof Bag Manufacturer for Adventure Brands

    Sealock manufactures motorcycle waterproof bags for adventure and touring brands, importers, and OEM programmes from factories in China and Vietnam. Motorcycle luggage is the hardest category in the waterproof range to specify correctly, because the bag is not simply carried — it is mounted to a vibrating machine, driven through rain at highway speed, positioned near an exhaust hot enough to melt fabric, and it changes how the motorcycle handles. This sets out what an ADV programme has to get right and how those requirements translate into construction.

  • ​Lightweight Boating Floating Roll Top Nylon Ocean Pack Promotional Waterproof Dry Bag from China

    Like most Sealock products, the Lightweight Compression Dry Sack is considered a classic among hikers, backpackers, and water sports enthusiasts–and it’s easy to see why.

  • Custom Branded Bags for Corporate Gifting: MOQ, Lead Time and Branding Options

    Sealock manufactures custom branded bags for corporate gifting programmes, promotional distributors, and employee recognition buyers, direct from factories in China and Vietnam at an MOQ of 300 pieces. Bags are among the highest-retention items in corporate gifting — a recipient carries one to the office, the airport, and the gym, generating brand impressions daily for years. This covers what a factory-direct programme involves: minimums, timelines, branding methods, and the two decisions that most affect how the gift is received.

  • Sealock heavry duty waterproof duffel bag

    When you want go play outdoor, this waterproof duffel bag is perfect for you.The waterproof duffel bag is made of abrasion resistant and water repellent tarpaulin material, have fully welded seams to keep your gear dry and safe.

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