Re-education and physical recovery ball for hands and wrists. Designed for fitness training, it contributes to the improvement of muscle stability. It is an antistatic ball. With an ergonomic shape, it is made of high-quality hypoallergenic silicone. After use, it returns to its original shape and does not lose its firmness. It helps to strengthen fingers, hands and arm muscles while promoting mobility and manual agility. It is suitable as an anti-stress exercise. Green colour.