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 even higher quality than the material used in tents. [Top closure] Features a roll-top closure system that simply rolls up and clicks into place! [Waterproof treatment] The main body is welded (heat-pressed) to ensure high waterproof performance. [Pockets] Convenient mesh pockets for storing wet items or small items that you need to take out and put back in frequently, such as umbrellas, bottles, and towels. [Back cushion] Quickly absorbs and releases moisture to prevent your back from getting sweaty.