Description: High elasticity, no odor, no sweating even after long time usage. Strengthen your grip, hand, fingers, forearm Work great for elderly stroke finger recovery, stress relief, hand recovery exercise. Also can relieve sore and strain from typing, carpal tunnel, tendonitis. Prevent tensions and stiffness in hands, fingers and wrist. Use at home or in work / office Diameter: approx. 7cm/ 2.8 inch Material: High Elastic Sponge Package Includes: 1x Ball
