This is a Wipeout 66'' Skimmer Ski Tube, designed for one or two riders. Key features and shopping information: Design: Large, flat-bottomed tube for thrill-seeking, designed to soar and jump across wakes. Comfort & Durability: Features a soft neoprene lining on a sturdy 840 denier nylon base for comfort and durability. Handles & Valve: Equipped with 4 large, soft-grip handles and a rapid inflate/deflate valve for easy setup and storage.