RST Marine Navigator II 500 5-Person Inflatable Recreational Boat Rigid hull with 2 main air chambers and I-beam inflatable floor with drain plug Quick inflation and deflation valves with Buoyancy tube inflation valve Heavy, all around Nylon grab line. Protective PVC Anti Bump Strake Inflatable keep for added control and stability Complete set includes boat, 3cushion seats, gear pouch, oars, pump and carry bag, NMMA Certified