Airhead BLAST Towable Tube 1 Rider Towable 4 Deluxe Nylon-Wrapped Handles with Neoprene Knuckle Guards Double Stitched Nylon Cover and Heavy-Duty Virgin PVC bladder Speed Safety Valve Size: 1 rider, 54 in Diameter, (Deflated).Never exceed skill of the rider; never exceed 20 mph for adults, 15 mph for children