Silicone grip reinforcement ball for abreaction

Features - Colors: Blue, Yellow, Green. Material: Silicone. Dimensions: Approximately 5 x 5 x 5 cm. - These muscle strengthening balls help you relax after a long day of work or study. - Thanks to their elastic cord, they stay securely in place and are easy to carry. - They allow you to work and strengthen your hands, fingers, and wrists, thus relieving stress and muscle tension. - They prevent stiffness, improve flexibility, and reduce joint pain. - Suitable for all ages. Easy to carry for outdoor use.