A great partner for sparring techniques or target work, the original BOB - Body Opponent Bag is a life-like mannequin with a vinyl skin for more realistic self-defense training Unique design takes up less space than original BOB(R). Able to fit on the adjustable Wavemaster(TM) base. "Skin" is constructed of high-strength plastisol. Inner cavity is filled with high-density urethane foam. Base can be filled with water or sand and weighs approx. 270 lbs. 7 height adjustments from 60" to 78". Base included. One year limited warranty. Made in the USA. Adjustable height One Year Warranty Low profile base fills with sand or water; unit weighs approximately 270 pounds when filled Seven height adjustments--from 60 to 78 inches One year limited warranty; made in USA