DESC: A great partner for sparring techniques or target training. BOB, Century's Body Opponent Bag, is a full-size lifelike mannequin. He's fun to hit and is a realistic training partner. BOB's Lifelike mannequin that fits on the adjustable wavemaster base. Century Body Opponent Bag's skin is made of high strength plastic plastisol and his inner cavity is filled with durable urethane foam. BOB comes with Two height adjustments approx. 65-1/2" to 74". The base is included and it can be filled with either water or sand. BOB comes with a one year limited warranty. Base included. The Century BOB, Body Opponent Bag is great for practicing self defense, striking, and kicking techniques for Martial Arts such as Karate, Tae Kwon Do, Sparring, Kenpo, Kung Fu, and Kick Boxing.