Rubber Medicine Ball, 1kg, 3kg, 5kg, Core Training (1)

It can be used not only as a simple weight, but also as a core strengthening tool and for a variety of other training exercises. Made from 100% rubber. No sand is used. The non-slip rubber and small uneven texture create a surface that is easy to grip. Its firm grip makes it ideal for practicing swings in golf and other sports. *Hardness varies depending on the size. The 1 kg size is soft, while the 5 kg size is as hard as a baseball.