AIRHEAD TREMOR'S unique wrap-around horseshoe shape is shaking up the tubing world! It features multi-level circular riding for 1, 2, 3 or 4 kids or adults. Kneel on the soft knee pads and ride looking out or sit on top looking in. TREMOR is designed for 1, 2, 3 or 4 riders, it makes a great floating conversation pit too! Put a cooler in the center and have a party! TREMOR has a tough 30-gauge 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. Eight foam filled tubular nylon handles with neoprene knuckle guards are strategically positioned for peak performance. Two patented Speed Safety Valves provide the ultimate in inflation and deflation convenience. Size: 89 in. Diameter (deflated).