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We usually keep on with the principle "Quality To start with, Prestige Supreme". We've been fully committed to offering our purchasers with competitively priced excellent solutions, prompt delivery and skilled support for Dry Bag,Waterproof Dry Bag,Waterproof Dry Tube Bag,Tube Dry Bag,Tube Waterproof Dry Bag, We give priority to good quality and customer fulfillment and for this we follow stringent excellent control measures. We've in-house testing facilities where our goods are tested on each and every aspect at different processing stages. Owning to latest technologies, we facilitate our prospects with custom-made production facility.
Dry Bag, Our advantages are our innovation, flexibility and reliability which have been built during last 20 years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. The continual availability of high grade products and solutions in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.

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  • Fly Fishing Waterproof Backpack 15L

    Fly Fishing Waterproof Backpack 15L

    fly fishing waterproof backpack 15L , suitable for all kinds of outdoor streams, with airtight and waterproof zipper, the zipper is set on the top to keep the inside of the bag dry, with a double shoulder design, you can easily take the items inside the bag when in use, with a capacity of about 15L. 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 fishing rod bucket on the side, and the front of the main bag is elastic. Mesh bags to store items, a variety of suspension systems, fully perfect the outdoor fishing function
  • Black and Gray TPU Bicycle Backpack for Commuting

    Black and Gray TPU Bicycle Backpack for Commuting

    Black and gray TPU bicycle backpack for commuting can be used for commuting to work, outdoor short-distance cycling, the backpack body is waterproof, with a capacity of 22 liters, waterproof, rainproof and dustproof, with a laptop compartment inside, detachable, convenient for work, fabric Using 600DTPU + 420D double-sided bonding, the entire bag body adopts seamless joint technology, the front of the bag body uses a water-repellent zipper, which can prevent ordinary rainwater from entering the pocket, and there are pockets for storing keys and wallets inside, and the back is formed by EVA, three-dimensional Craftsmanship reduces the pressure on the back, and the two bag bodies are equipped with external hangers, which is conducive to expanding the storage of external items.
  • Waterproof Bicycle Seat Bag

    Waterproof Bicycle Seat Bag

    Waterproof Bicycle Seat Bag A waterproof bicycle bag, made of 840DTPU/Nylon material, provides excellent waterproof performance, and protects your valuables from water, dirt, and dust, using seamless bonding process technology, The whole bag body is waterproof, and the waterproof zipper is added, which can make you feel more at ease when riding outdoors. The special material is durable, cold-resistant, aging-resistant, sturdy, easy to clean, and easy to adjust the size function.
  • 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.
  • Waterproof Bikepacking Saddle Bag with Roll Top Closure

    Waterproof Bikepacking Saddle Bag with Roll Top Closure

    Sealock supplies the Waterproof Bikepacking Saddle Bag with Roll Top Closure, an IPX6–IPX7 seat pack in welded 420D/600D TPU with a roll-top closure and a dual seat-rail plus seatpost anti-sway mount. It keeps gear dry through rain, mud and dust on gravel, road and MTB rides, adds a front bungee and a reinforced base, and ships OEM/ODM and wholesale from an MOQ of 300 pcs, FOB Guangdong.
  • Lightweight Airtight Waterproof Backpack · 15L

    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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  • Sealock Large Waterproof Backpack from Vietnam Supplier

    Sealock large waterproof backpack is made of durable 500D high-strength PVC mesh fabric, it effectively prevents branches and stones from scratching the packaging. Durable to puncture and tear, all seams are reinforced with hot welding to adapt to long-term use of hiking packages .

  • 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.

  • Dry Bag Supplier: How to Select a Reliable Manufacturing Partner

    ​Sealock is a dry bag supplier and OEM manufacturer serving importers, outdoor brands, and wholesale buyers from factories in China and Vietnam. Choosing a supplier is a risk decision before it is a price decision: the buyers who lose money sourcing from China are almost never the ones who did too much due diligence. This is the verification sequence that separates a real manufacturing partner from a convincing website — and the specific questions a dry bag buyer should ask that a generic checklist will miss.

  • ​Is a dry bag the same as a waterproof bag?

    While "dry bag" and "waterproof bag" are often used interchangeably in casual conversation, they can refer to slightly different products or serve different purposes depending on context.

  • Common outdoor food preservation methods

    Food is precious to you when you're living outdoors. Don't feed animals with your food. Because you will starve. Here are some common ways to store food outdoors.

  • Waterproof Bag Factory Certifications & Compliance

    When international buyers choose a waterproof bag manufacturer, product quality is only one part of the decision. The other critical factor is whether the factory meets international compliance standards for safety, quality management, and ethical production.

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