Finally a heavy bag designed and crafted for fitness athletes of every skill level. Take on all heavy bag workouts with a durable and resilient PU Innovation that is made to wear as long as leather. Work on all boxing, kickboxing, MMA and core training for top results. Extra strength welded chain and swivel assembly with triple reinforced D-Rings on top of bag for hanging and bottom of bag for tie-down - if desired - to accommodate any workout and training space. Complete with a shock absorbing foam liner inside to keep bag cylindrical and prevent sagging.