The Pure2Improve Large Massage Ball is a great tool to relieve aches and pains in nerves and muscles. Its unique surface helps to stimulate circulation, increase mobility, and target small muscle groups. This ball can aid recovery and is ideal for targeting small muscles through deep tissue compression massage. The large massage ball has a portable and water-resistant design that makes it easy to use wherever you go. Its size of 12.4cm allows you to target larger muscle groups such as the back, hips, and legs. This massager is perfect for athletes or anyone looking to improve their well-being by relieving muscle tension and promoting relaxation. Pure2Improve Large Massage Ball in Black