Step aside, kiddoes, the World of Watersports Big Boy Ski Tube is for the big kids only. Designed for riding the waves in larger groups, this super-cool ski tube can hold up to four riders. Its arrow shape adds stability and control. The comfortable air-cushioned floor helps with any potentially choppy seas. The nylon and PVC construction is durable and still comfy.Founded in 2010 by Leroy Peterson, WOW is now the leader in cutting-edge water sport accessories. Committed to quality construction and innovative ideas, WOW has pioneered a wide variety of ski tubes and accessories designed to put the functionality in your summer water fun. WOW has developed a whole new generation of towables that are exciting, safe, and affordable.