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With our exceptional administration, robust technical capability and strict high-quality control procedure, we carry on to provide our consumers with dependable high-quality, reasonable selling prices and superb providers. We aim at becoming amongst your most responsible partners and earning your pleasure for Dry Backpack 30L,Waterproof Backpack,Dry Bag Backpack,Best Dry Backapck,Waterproof Backpack for Fishing, We warmly welcome good friends from all walks of life to cooperate with us.
Dry Backpack 30L, Since our establishment, we keep on improving our products and solutions and customer service. We have been able to supply you with a wide range of high quality hair items at competitive prices. Also we can produce different hair merchandise according to your samples. We insist on high quality and reasonable price. Except this, we provide best OEM service. We warmly welcome OEM orders and customers all over the world to cooperate with us for mutual development in the future.

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  • 30L Roll Top Waterproof Dry Backpack for Camping, Hiking and Travel

    30L Roll Top Waterproof Dry Backpack for Camping, Hiking and Travel

    Sealock supplies the 30L Roll Top Waterproof Dry Backpack for Camping, Hiking and Travel, a welded 500D PVC pack rated IPX6 with a roll-top and side-release buckles. Its large 100% waterproof main compartment keeps gear dry through heavy rain, with a front splash pocket, padded straps, a top handle and side compression. Optional 420D/600D TPU. OEM/ODM and wholesale from MOQ 300, FOB Guangdong.
  • 500D PVC Waterproof Dry Bag with UTX Buckles for Outdoor Water Sports

    500D PVC Waterproof Dry Bag with UTX Buckles for Outdoor Water Sports

    Sealock supplies the 500D PVC Waterproof Dry Bag with UTX Buckles for Outdoor Water Sports (SL-D002), an IPX7 roll-top dry bag in 0.5 mm 500D PVC tarpaulin with a double waterproof closure and premium UTX buckles. It floats when sealed, comes in five sizes from 5L to 63L and eight colours, and is built for OEM/ODM with customized logo and tiered lead times for bulk orders.
  • Waterproof Kayak Backpack with Red 28liter

    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.
  • Custom Logo Roll-Top Dry Bag – OEM Programme

    Custom Logo Roll-Top Dry Bag – OEM Programme

    Custom Logo Dry Bag – Roll-Top OEM. Capacities 3, 5, 6, 10, 15, 20 and 63L, other sizes developed on request. Body: 500D PVC tarpaulin 0.5mm, TPU, phthalate-free PVC or GRS recycled fabric. High-frequency welded seams with a PVC sealing film inside the roll-top. Closure: roll-top and buckle (IPX7) or airtight zipper (IPX8). Options include clear window, purge valve, dry-wet inner pouch, single, double or detachable straps, and D-rings placed to your layout. Logo methods: screen print (1–3 colours), digital/UV, heat transfer, welded TPU 3D badge, reflective print. MOQ 300 per design. Logo sample in 7–15 days. Bulk on the SL-D002 base takes about 20, 25 or 30 days for up to 500, 2,500 or 5,000 pcs; other bases take 30–45 days. FOB Guangdong, Vietnam origin quoted separately. REACH and Prop 65 compliant material. Factory has BSCI, SMETA and ISO 9001 audits.
  • 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.
  • Large Kill Fish Cooler Bag

    Large Kill Fish Cooler Bag

    We are a professional manufacturer and producer of Large Kill Fish Cooler Bag with over 20 years of production experience. We have factories in both China and Vietnam. It is worth mentioning that many of our European and American partners choose to produce in Vietnam, which can save a lot of tariffs. We have significant price advantages and have been widely recognized.
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  • Dry Bag Factory: Production Capacity and Quality Standards

    Sealock is a dry bag factory producing OEM and wholesale waterproof bags from plants in China and Vietnam. Two numbers decide whether a factory can carry a brand's program: how much it can actually make, and how consistently it makes it right. Both are routinely overstated across the supply base, and both can be verified — this is how a buyer checks real capacity rather than brochure capacity, and how quality standards become auditable evidence rather than a claim.

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  • Engineering the Ultimate Dry Bag: The Role of 27.12 MHz HF Welding and 1.0 Bar Testing

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