The Bongo Board is a maple plywood board with a polypropylene undercarriage. It has a urethane roller with polypropylene center and a rubber and nylon bungee cord. The board is 30.5"x8"x5" (LxWxH). Double ball bearing wheel system causes two halves to rotate independently. Tapered roller ends allow toe-heel movement and rotation Safety retaining cord promotes safety and easy transport Skate-styleA moderate to high level of fitness is recommended.