MACH 2 is our budget minded 2 rider cockpit towable. We recommend cockpit tubes for timid and young riders, since they feel very secure inside. MACH 2 also has a wild side, making teens and adults happy too. The inflated floors provide a comfortable seat. Four deluxe handles with made with Neoprene knuckle guards provide a secure and comfortable grip. The heavy gauge PVC bladder and durable double-stitched nylon cover ensure years of service. Equipped with a patented Speed Safety replacement valve for easy inflating and deflating. 69 x 69 in..