1-3 rider tubes, suitable for boating and water sports Full coverage: The entire tube is covered with our double-stitched nylon, ensuring comfort and longevity Kwik-Connect: Our unique traction system allows you to quickly and easily connect the tube to the rope Supporting fins: They allow you to maintain stability even during the wildest rides Patented Speed Safety Valve: A patented simple valve that allows for quick and easy inflation and deflation