Lacrosse massage ball is made of silicon. This fitness tool is easy to affect the neck, legs, and arms, even the body. It has a single ball and a peanut ball. Also, Talent can produce the ball with sticky. The massage ball is small and portable. It is elastic, soft, and moderate. It can be used at any time. Peanut Massage ball has a big curve in the middle. It is more ergonomic with a better fit and better massage effect for the neck, legs, and arms! What you need, please inform us. We can custom body fitness tools at your request.