DescriptionGrip strengthen balls, and high quality, made of TPR environmental material without pollution, and touch comfortable, with a string, easy to carry. Exercise and strengthen hands , fingers , wrists strength so that relieve stress and muscle tension from computer work.Features- Color: Green/Orange/Blue. - Material: Silicone. - Size: 5x5x5cm. - Grip strengthen balls, and high quality, made of TPR environmental material without pollution. - With a high elasticity string, avoid slipping out and easy to carry out. - Exercise and strengthen hands , fingers , wrists strength so that relieve stress and muscle tension from computer work. - Prevents stiffness , increases flexibility , and reduces joint pain. - Suitable for people of all ages.
