O'Brien Challenger 2 Rider Soft-Top Ski TubeThe O'Brien Challenger 2 Ski Tube is a cockpit style tube featuring O'Brien's SofTec Soft Touch Nylon Cover. This SofTec Nylon covers the entire riding surface, eliminating unnecessary seams and allows the rider to enjoy riding all day without abrasions. Features two lightning valves, making inflation and deflation quick and easy! Use tensile strength tow rope of 2375 lbs with this tube.Features: Fully Covered 840/420 D Nylon Cover; 24/26/30 Gauge Bladder; 4 Webbing Handles w/ Knuckleguards; Nylon Top Deck with Inflatable Floors; Quick Connect Tow Hook; 2 Lightning Valves; 1 Eco Valve; Specifications: Size: 76" x 87"; Max Riders: Up to 2 Riders or 340 lbs.; One year limited warranty;