This punchiNg ball set is a professional punching training tool. With bearing inside, rotating flexible and durable. Can be used with profes Pear-shaped ball holder, easy to take and put on. A very good tool for martial boxing training. Name: pear shape PU boxing training Sandbag Ball Applicable: speed training Suit for: children, teens, adult boxing sports fans Colour: Black Material: PU Package Contents: 1 * Sandbags Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. A very good tool for martial boxing training. This punchiNg ball set is a professional punching training tool. With bearing inside, rotating flexible and . Can be used with profes Pear-shaped ball holder, easy to take and put on.