Century Body Opponent Bag - BOBIdeal for self defense, boxing or martial arts workouts, the Body Opponent Bag is a realistic training partner. This lifelike mannequin has a covering made of durable, high strength Plastisol and an inner cavity packed with tough urethane foam. The height can be adjusted in 6" increments from 60 to 78". Fill the adjustable Wavemaster base with water or sand (not included); the unit weighs approximately 300 lbs. when filled (500lbs with sand). Lifelike