Sevylor Monster Tube Inflatable Towable 78-inch inflatable towable for riding behind a motor boat with four-person capacity Eight handles with neoprene knuckle guards and anti-abrasion pads Double-Lock Fast Valve prevents accidental air loss and ensures quick, easy inflation/deflation Constructed of durable 23-gauge PVC with a 84D heavy-duty nylon cover Backed by a 90-day warranty