Features Open back Dimensions: 48 in x 50 in Kwik-Connect for easy hook-up Airhead SuperValve for easy inflation and deflation 4 nylon-covered handles with molded EVA knuckle guards Rugged, 30-gauge virgin vinyl inner tube Inflated floor Plastic fins sewn onto the side of the cover Semi-Rigid technology Fully covered by a high-density 840-denier nylon cover Designed for 1 rider