Airhead G-Force Tube #253-AHGF1 Size: 72 x 72/1-3 Riders. G-FORCE is a wild ride for up to 3 thrill-seekers! Defy centrifugal force with G-FORCE's topside stabilizer fins. The 6 deluxe nylon-wrapped handles with neoprene knuckle guards provide a sure and comfortable grip. G-FORCE has a tough 30-gauge virgin PVC bladder, fully covered with an 840-denier double-stitched nylon cover. Equipped with a heavy-duty Kwik-Connect for easy and secure hook-ups. A Boston valve provides the ultimate in inflation and deflation convenience.