Finger Exerciser Strength Gripper Forearm Trainer Hand Grip Strengthener Therapy - 1# Black (21LB) Lighting & Fans the valve automatically seals to

the valve automatically seals to prevent air leakage

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Colour: Bleached white

Finger Exerciser Strength Gripper Forearm Trainer Hand Grip Strengthener Therapy - 1# Black (21LB) Lighting & Fans the valve automatically seals toDescription Origin: Mainland China Type of sports: Strength Training Type: High Elastic Gripping Ball Model Number: Grip Strength Trainer Department Name: Unisex Training Site: Hand Product Size: about 11. 5 * 10. 5CM 4. 5*4. 1INCH Material: rubber Colour(optional): black gray Weight: about 50g Product application: adult hand function rehabilitation training finger strength grip strength, hand muscle strength small exercise fitness Good elasticity,