Reinforced PVC. 5cm thickness drop stitch material base, providing extraordinary balance and Stability. Bottom V inflatable keel design with perfect water splitting. Extended splash-proof cloak at the stern of the bow, with top V crash-proof head design Equipped with portable rubber grips and safety loops. Powerful high-speed drainage system that can be easily drained even during long cruises. Adjustable foor rest to make your feet comfortable. Multi-pocket high-backed seat, great comfort experience and back support.