30L and 10L optional: Two size optional, the 10L one protects your personal belongs like phone ipad and wallet dry safe and clean , the 30L one contains far more than personal items including t-shirts, jeans and camera.
Perspective Window: A clear perspective window allowing you seeing what's in your bag without unpacking and easily find out what you want.
IPX6 Waterproofing: Made of 500D PVC material, IPX6 waterproofing, sand&dust proof, tear-resistant and anti-puncture. It is your reliable and necessary partner in water&outdoor sports.
4 Carry Modes：Two detachable and adjustable straps, enabling different carry mode:Hand-carry, Single-Shoulder, Backpack, Cross-body.
Simple to Use: Just roll up the opening 3 times and close the buckle, the dry bag will keep your belongings dry, clean and safe.