Lightweight TPU Dry Backpack: Haimont dry backpack is made of IPX7 waterproof, abrasion & tear-resistant TPU material, which is lighter and easier to carry. Providing reliable protection for your belongings from rain, splashes, and wet conditions, it can withstand the harsh tests of outdoor water adventures Large Capacity Dry Backpack: Measures 12 " L x 6 " W x 28 " H, weighs only 2 lbs, providing plenty of room for essentials while being lightweight and easy to carry. With 1 main compartment, 1 laptop pocket and 1 zipper pocket for smaller items to maximize storage efficiency. Outside, multiple hanging points, 1 front zippered pocket for quick access to items and 2 adjustable side mesh pockets for water bottles or other items make outdoor trips more convenient Waterproof Roll Top Backpack: The sealed roll opening design not only provides an extra layer of waterproofing so you can tightly seal your backpack, but also provides the flexibility to adjust the capacity. A Simple and effective clip buckle ensures a secure closure, keeping your gear safe and dry. 2 different roll closure styles add to the variety of carrying options Ultralight 30L Dry Bag: Breathable padded backpack straps and adjustable chest straps help distribute weight evenly across the shoulders, reducing the burden when hiking or water sports.