AIRHEAD's VIPER series is a collection of cock-pit style towable tubes. The boat hull shaped bottom is the key to the unparalleled lively and stable ride. VIPER inflatable tubes are perfect for young children who need a more secure ride or are new to water sports. The durable 30 guage bladders are completely encased in durable double-stitched nylon and the striped nylon wrap handles have neoprene knuckle guards for comfort. Heavy-Gauge PVC Bladder with RF welded seams Double-Stitched Full Nylon Cover 1 rider capacity | Viper 1-Person Towable Tube