The Century(R) Kid Kick(R) Wavemaster(R) is designed with young martial artists in mind. Features a durable nylon cover and high-impact foam core. The base easily fills with either sand or water, and the rounded design allows for convenient relocation. The Kid Kick(R) Wavemaster(R) is adjustable in height from 37" to 52". FEATURES: Perfect for young martial artists Safely practice punching and kicking drills Durable nylon cover with high-impact foam core Rounded base allows for easy relocation 4 adjustable heights ranging from 37" to 52" Weighs approximately 170 lbs. when base is filled with water Bag dimensions: 10.5" diameter x 26" tall (striking surface) Base dimensions: 22" diameter x 12" tall