Hand therapy exercise balls build strength in the fingers, hands, wrist and forearms while reducing stiffness and joint pain by stimulating blood circulation in the forearm and hand. Perfect for athletes, musicians, office staff and students, as well as those with arthritis, carpal tunnel and rehabilitation needs._x000D__x000D_Features_x000D__x000D_- Color: Yellow, Purple_x000D_- Material:TPE_x000D_- Size: About 5.30X5.30X5.30cm/2.08X2.08X2.08inch_x000D_- Reducing stiffness and joint pain by stimulating blood circulation in the forearm and hand._x000D_- Useful for physical and occupational therapy, the balls also provide a sensory outlet for those with autism._x000D_- Exercise and strengthen hands, fingers, wrists strength so that relieve stress and muscle tension._x000D_- The hand therapy balls retain their shape for extensive usability and are also tear and split-resistant._x000D_- Perfect for athletes, musicians, office staff and students, as well as those with arthritis, carpal tunnel and rehabilitation needs.Packing list:2 x Hand Grip Balls