Hand, Grip, & Finger Therapy Exercise Ball can be used at home, in the office, or when traveling. This firm ball can be used for fitness, therapy, or post-surgery care. Relieve built-up tension created from long periods on the computer. Build strength for sports or activities like rock climbing, golf, tennis, playing piano, guitar, and more. This green therapy ball has a firm density. It can also be used as a fidget ball, providing sensory input for children with ADHD, hyperactive kids, and autism, to promote concentration and focus. This therapy ball includes a textured surface and loop that make gripping and holding easy. The attached finger loop allows users to do more exercises than other standard therapy balls. ⚠ WARNING: Cancer and Reproductive Harm