O'Brien Baller 4 Rider Soft-Top Ski TubeThe O'Brien Baller 4 is a fun 4-rider towable tube that can be towed two ways! Easily swap from seated to chariot style riding. This tube features O'Brien's SofTec fabric an industry exclusive fabric that is super soft, and covers the entire riding surface, eliminating unnecessary seams. With this soft-top tube, you can ride all day without abrasions! Use a tensile strength tow rope of 4100 lbs. with this tube.Features: 18 Soft Webbing Handles; 2 Quick Connect Tow Hooks; 2 Lightning Valves; Smooth SofTec Fabric Top; Heavy-Duty Nylon Shell; Fully Covered 840 D Nylon Cover; 30/26 Gauge Bladder; Specifications: Size: 75" x 93"; Capacity: 4 Riders or 680 lbs.; One year limited warranty;