Century Fitness "B.O.B." Body Opponent Bag. Make "B.O.B." your at-home training partner: Lifelike mannequin Body Opponent Bag fits on adjustable Wavemaster base (included); Skin is made of high-strength plastisol; Inner cavity is filled with durable urethane foam; 7 height adjustments from 5' to 6'6"; Base can be filled with water or sand for stability; Approx. 270 lbs. when filled; Made in the U.S.A. Give "B.O.B." the 1-2 punch for a solid at-home workout! Order Today! Century Fitness "B.O.B." Body Opponent Bag