Zoophyter 30L Waterproof Backpacks, Dry Bag for Floating, Boating, Kayaking, Rafting [VERSATILE WATERPROOF BACKPACK] Package included 2 shoulder straps, can be used as a backpack; With a hand-held handle, can be also use as a travel tote bag. [WATERPROOF PERFORMANCE] made of Industrial grade 500D PVC tarp and hold an internationally recognised rate for protection against water of IPX7. [ERGONOMIC DESIGN] One air nozzle, 2 valves, upper valve is for inflation, lower one is for compression, it`s very convenient. [SUPER DURABLE] Made of eco-friendly 500D PVC material, 0.2 inche-thick, can be folded without creasing. [LIFETIME WARRANTY] We believe in our products, that's why we back them all with a Lifetime Limited Warranty and provide friendly, easy-to-reach support.