The Hydro Mark II Tube provides an exciting ride that is stable enough for young riders. Deep cockpit has a low center of gravity for security and holds one or two riders. RAVE Tail blasts water up to 15' in the air, making sure other boaters are aware of your precious cargo. Skim-fast bottom gives a fast and fun ride. The bladder is made up of 4 chambers of heavy-duty 28 gauge PVC. 600D heavy-duty polyester cover with UV-guard repels water. Features 4 molded handles, a boston valve, and a Quick Connect tow point. 74"L x 56"W x 25"H inflated. Weighs 22.5 lbs. One-year limited warranty. CPSIA compliant.