Description: Ergonomically designed, this sit-up boxing ball uses three adjustable heights to meet different needs, in addition, it uses wider foot protection and anti-pinch foam, making it safe and comfortable to use. Designed for dual-use, this sit-up boxing ball can be strongly adsorbed, high rebound resistance does not hurt the hand, making it easy to hit, suitable for sit-ups and boxing reaction training. It is made of high-quality faux leather, ABS, stainless steel, foam material. The width of bottom suction cup is 15.5cm, and the adjustable height is 57-60cm. It is suitable for indoor fitness and gym. Item Name: Sit-Up Boxing Ball Material: Faux Leather, ABS, Stainless Steel, Foam Features: Height Adjustable, Stable Rebound, Strong Adsorption Size Details: Bottom Suction Cup Width: 15.5cm/6.1" (Approx.) Height: 57cm-60cm/22.44"-23.62" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sit-Up Boxing Ball