Wrecking Ball design allows athletes to work on every shot...uppercuts, hooks, jabs, power punches, angled shots, and more. Work the complete lower body arsenal from all angles and degrees. Rounded design really challenges athletes and helps alleviate excess swinging during training. Packed with a high density shredded poly-fiber material that is ideal for absorbing every strike in the arsenal. Balanced center weighting helps keep bag aligned and true. Durable seat belt nylon hanging straps with triple stitched D-ring tabs alleviate chains and excess noise. Swivel sold separately.