DescriptionThese products are sports wrist balls. It can 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. It is suitable for both kids and adults playing.Features- Brand: TOYANDONA. - Color: Green, black. - Material: Rubber. - Size: About 6.30X6.30X6.30cm/2.48X2.48X2.48in. - Adoption of premium material, this product is durable, handy and long-time use. - Interesting football shaped design, elastic string and wrist band, comfortable to wear and interesting to play. - Exercising and strengthening hands, fingers, wrists strength so that relieve stress and muscle tension. - Releases tension and vents unwanted emotions for adults, teens and children. - Perfect for athletes, musicians, office staff and students, as well as those with arthritis, carpal tunnel and rehabilitation needs.