Massage Ball inSPORTline Supaiku 2 pcs is used to activate acupressure points on the body and stimulate blood circulation. What's more, it can also be used for recovery purposes and restoring your motor skills. It also helps to strengthen your wrists and has a relaxing effect. Long-term use helps the user relax and get rid of stress. Massage Ball inSPORTline Supaiku 2 pcs will revitalize your body.