The XXL Wavemaster stands 69 inches tall and a full 18 inches in diameter. Striking surface is made of durable vinyl over high density foam. Low profile base and large bag provide an excellent target for both punching and kicking. Weight distribution of base provides stability and functionality. Extra large fill hole and cap allows you to easily fill base with sand or water. No tools required for assembly. Weighs approximately 270 lbs. when filled with water.