China custom branded waterproof airtight backpack supplier Manufacturers, Suppliers, Factory

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.

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

Sealock Motorcycle Waterproof Saddle Bag 40 Liters Waterproof on One Side , Motorcycle Waterproof Tail Bag 40L is suitable for various models. For example, when you need a back seat to put a bag, it must be a waterproof bag with a large capacity of 40L, which can be freely driven outdoors without fear of wind and rain. The carrying capacity of this bag is 50kg, and it can store helmets, water bottles, clothes, camping equipment, and more.Motorcycle Waterproof saddlebags, waterproof, dustproof, and weatherproof, made of strong and durable PVC material, seamlessly welded, 100% waterproof, and easy to clean. Don’t worry about your luggage getting wet by rain and snow. If you are going to drive long distances, our SEALOCK waterproof bag material is more durable to make your travel items safer. Reflective logos are added on both sides to improve night visibility. It is more conducive to safe riding.

Waterproof Backpack for Kayaking 28 Liter Red with Phone Windowfrom sealock outdoor, 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.

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.

Sealock Motorcycle Backseat Waterproof Bag 40L Motorcycle Waterproof Tail Bag is suitable for various models. For example, when you need a back seat to put a bag, it must be a waterproof bag with a large capacity of 40L, which can be freely driven outdoors without fear of wind and rain. The carrying capacity of this bag is 50kg, and it can store helmets, water bottles, clothes, camping equipment, and more.