Everything you demand in a heavy bag and more. Take on all heavy duty workouts with this super durable full synthetic leather double end heavy bag. Work on all boxing, kickboxing, MMA and core training with professional feedback. 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 high density shock absorbing foam liner inside to keep bag cylindrical and prevent sagging.