Ideal for young martial artists, the Kid Kick Wavemaster features four height adjustments from 37" to 52" and a rounded base for easy roll relocation. Made of durable nylon with inner high impact foam, it is great for practicing punches and strikes. Weighs approximately 170 lbs. when base is filled with water. Bag: 10.5" Diameter x 26" Tall (striking surface) Base: 22" Diameter x 12" Tall Overall Height: Adjusts from 37" to 52" Approx. 170 lbs. when filled with water One-year warranty on all Wavemaster training bags.