Waterproof & Anti-theft: BJIAX rolltop laptop backpack is made of new Oxford water-resistant material with SBS zippers, water resistant and durable features make the roll-top travel backpack more ...

Earth Pak Waterproof Backpack - Heavy Duty Hiking Backpack - Roll-Top Closure - Waterproof Bag - Cushioned Dry Bags ...

designed to be waterproof and durable, often used in scenarios like kayaking or rafting. Dry bags are made from thick, reinforced materials with roll-top closures and often feature straps for ...