Perfect Design For Comprehensive Massage - 5" in length and 2.5"in diameter, weight in 12oz. This split peanut shaped massage ball is a perfect design to get to those hard to reach stabilizing muscles that surround your spine and vertebrae without applying pressure on them as you lay on it. Durable Material - The massage ball is made of 100% natural rubber, which is firmer than tennis ball, but not like the hard plastic balls with knobs and they hurt.
It is durable for long-lasting use.,Perfect Design For Comprehensive Massage - 5" in length and 2.5"in diameter, weight in 12oz. This