Basin Black 20 Liter Waterproof Sport BackpackThe Moonwater Basin is made of 100% waterproof TPU fabric and can fit up to 20 Liters of gear. This bag has many different features including the special two-way valve system that allows you to inflate or compress the backpack. Other features include a front mesh pocket for your wet gear, a drawstring water bottle pocket, and removable suction cup grips to attach your bag to a paddleboard, car, or boat! Features:100% Waterproof Main Compartment20 Liters of StorageHigh Quality Waterproof TPU Material2 Way Purge Valve (inflation/compression)Perfect Size Carry-On BagDrink HolderBungee strapsPadded lower back supportWaterproof padded shoulder strapsTie downs / Front strapsChest strapsDurable rubber top hold handleWebbing to secure carabiners to the side of the bag