Features special cell foam padding with precision air stream channels on both sides to increase shock absorption and alleviate excess weight. Easily absorbs punches, kicks, strikes, knees and more with little to no feel for trainer. Four heavy-duty reinforced nylon straps in back, plus an arm strap offers five strategic security holding options vertically or horizontally.Made from select hides of triple-ply full grain leather for institutional and professional gym use. Professionally packed with shredded poly fibers and a precision placed center weight for excellent balance and weighting. 3" inside foam liner keeps bags cylindrical and firm through round after round of intense training. Unique seatbelt nylon security hanging straps alleviate tangled chains with increased security. Complete with heavy-duty bottom D-ring to secure to floor, if desired. An incredible heavy bag for beginners to world champions.