We recommend cockpit tubes like MACH 1 for young riders, since they feel very secure inside. MACH 1 provides a wild but stable ride for all ages including young children, teens and adults. Comfort is guaranteed by the inflated floor and deluxe handles with neoprene knuckle guards. The heavy gauge PVC bladder and durable double-stitched nylon cover ensure years of service. Equipped with a patented Speed Safety Valve for easy inflating and deflating. The Kwik-Connect tow point provides easy hook-ups. 68 in. x 50 in. (deflated size).