Valeo 1 Pound Textured Rubber Squeeze Ball With Comfortable Grip To Strengthen Hands, Wrists, And Forearm, VA4478BK STRENGTHEN YOUR JOINS & MUSCLES: Helps strengthen hands, wrists and forearms MAXIMUM GRIP: Textured rubber surface for a comfortable grip and strength 1 POUND WEIGHT: Enhances workout to build strength for a sport, recovery from an injury, or reduce stress REDUCE STRESS: Squeeze away stress while increasing blood flow to your hand, fingers, and forearms