Hand Exercise Balls, Stress Relief Ball, Physical Therapy Different Resistance S

Item Weight: 0.31 Kilograms Item Dimensions L X W: 1.77"l X 1.77"w Color: 6 Color Mixing Style: Ball Item Shape: Round Material: Rubber Tension Supported: Medium Product List - 4.5cm Hand stress ball x 6 , storage bag x 1, instruction manual x 1, gift box x 1. Unrivaled Quality - Made of soft, easy to clean thermoplastic rubber. Lightweight, hypoallergenic, and reusable. Exercise Hands - Exercise muscular and finger flexibility, suitable for primary strength training. Reduce Stress - Squeeze, roll or press the ball to relieve tension. Rehabilitation Training Relax alleviation muscle pain and stiffness, promote blood cycle.