Description For Medial Epicondylitis, Prevent Tendonitis and Improve Grip Strength Relieve Pain From Tennis Elbow, Golfers Elbow, and Tendinitis Yellow is ideal for those suffering from tennis elbow pain and looking to increase flexibility and range of motion Clinically researched and proven to reduce elbow pain band increase strength in the tendons in tennis elbow patients (i.e. Tyler Twist ) Ridged design is easy to grip, twist and oscillate for elbow, wrist, forearm and hand rehabilitation and upper extremity strengthening, lateral epicondylitis therapy Joinfit FlexiBar is portable and convenient exercise, rehab, and injury prevention equipment, packaging includes detailed exercise instructions 31.5cm long, 3.5cm in diameter, made from dry natural rubber 3 progressive resistance levels to match user capability. The Yellow FlexiBar takes 5 lb. of force to bend to a u-shape, Green 10 lb., Red 15 lb. Material：Natural rubber 31.5cm long, 3.5cm in diameter Yellow: light Green: medium Red: strong
