The 360-degree inclined casters and pivoting deck move the rider forward with a unique twisting motion - without ever pushing off the ground! The 76 mm urethane wheels and precision sealed bearings on the 360-degree casters provide a smooth ride, even when turning on a dime. The slip-resistant, concave deck delivers maximum grip and stability. Made of high-tech polymer, RipStik Classic caster board is lightweight, durable and trickable. (For ages 8 & up. Max weight 220 lbs)