TaoTech Waterproof Backpack Dry Bag with Tarpaulin and Back Cushion, 30L Capacity, Suitable for Outdoor Activities, Unisex (Green, 30L)

[Waterproof material] This waterproof bag is made with coated tarpaulin, which is of even higher quality than the material used in tents. [Top opening] The roll-top closure system allows you to simply roll it up and secure it with a click! [Waterproof processing] The main body is welded (heat-sealed) to ensure high waterproofing. [Pockets] Convenient mesh pockets for storing wet items or small items that you frequently need to take in and out, such as umbrellas, bottles, and towels. [Back cushion] Quickly absorbs and releases moisture to prevent your back from getting sweaty.