SLASH II has a 30-guage PVC bladder and is fully covered with double stiched 840-denier nylon, making it torsionally rigid to respond to rider?s commands. It?s equipped with a Kwik- Connect, Airhead Multi-Valve, and 4 nylon-wrapped handles with neoprene knuckle guards. Size 58? x 48?. Designed for 1 or 2 riders.