REF : SG-109 Silicone Hand Rehabilitation Ball (red, green, blue)

It is made of ergonomically shaped, high quality, anti-allergic silicone material. It does not leave any residue on the hand and has no odor. It takes its old shape after use and does not change its hardness. It strengthens the hand, finger and arm muscles, increases hand dexterity and mobility, and reduces tension and stress. It has 3 different degrees of hardness according to the resistance it applies.