The Soozier boxing ball set is the best choice for boxing fans and bodybuilders to exercise at home or gym, it can improve your hand and eye coordination, reflexes, and footwork. The punching ball set come with springs, it's can fast bounce back and exercise reflexes. The sturdy base and strong suction cup make it has excellent stability. 4 heights make it flexible enough to fit most people.- Help you build up your body - Teenagers can also use it to exercise - Improve your hand and eye coordination, reflexes, and footwork - Four suction cups are attached to the base for strong grip on flat surfaces - Large capacity base adds extra stability - Easy to install, and is portable - 4 height adjustable: 53.5", 56", 58.25", 60.75" - Boxing ball can withstand strong impact- Color: Red ball and gloves, Black base - Material: Steel, PU, PE - Overall Dimension: Ф19" x 53.5"-60.75" - Ball Size: 7" L x 7" W x 9.5" H - Base Dimension: Ф19" x 9" H - 4 heights: 53.5", 56", 58.25", 60.75"