The HO Sports Formula 3 is a fully covered tube that&';s great for kids of all ages. Sit side by side in the secure, cockpit-style seats and enjoy the ride. The squared-off back of the Formula 3 makes it stable in the whip, while the new one-piece floor makes inflation and deflation a snap. Made from the finest materials, the Formula 3 is sure to be the epicenter of your family&';s boating adventures.a Boston valves for quick and easy inflation and deflationa Heavy-duty PVC bladdera Nylon-covered soft foam handlesa Riders: 3a Weight Capacity: 510 lbs.a 85" x 80" Squared-off back makes it stable in the whip One-piece floor makes inflation and deflation a snap Nylon-covered soft foam handles Formula 3-Rider Towable Tube.