VIP Sportstube Towable. This is the most economical way to get on the water in style. Have a blast and make your fun sizzle!. Features. Molded PVC Tow System. Heavy-Gauge PVC Construction. Molded PVC Handles. Patented Speed Safety Valve. Specifications. Cover: 100% PVC(none). Max Capacity: 1 Rider. Diameter (deflated): 54". Tow Point: Molded PVC Connector. Specifications:. Riders - Max: 1