The O'Brien X-Screamer Towable Tube will leave you breathless! This tough, 30-gauge PVC, fully covered tube delivers lasting fun. Neoprene pads on the topside provide a more enjoyable ride, while pull-up straps make boarding easier. The O'Brien X-Screamer Towable Tube is designed for 4 riders. Boston valve offers quick inflation and deflation. 680-lb. weight limit. 96" diameter.