Sell Finger Therapy Ball Grip Ball for Relieving Daily Stress best price

Finger Therapy Ball Elasticity Grip Ball for Relieving Daily Stress Grip ball Features: Kind of fitness ball, has high elasticity, can exercise the palm muscle firmness, finger flexibility, strength and feeling. Pinching the grip ball every day has certain benefits, because it can improve memory, promote blood circulation, and help the brain to be slow to respond. Because with age, the resistance of the elderly will decrease, and the brain's response will be slow. It is good to pinch the grip ball every day to react to the left and right brains. Color&Hardness Coefficient: Purple-15KG Orange-18KG Green - 20KG Black-25KG Blue-30KG Material: Silicone Size: Approx. 5.8 * 4.4 * 4.4cm/ 2.3 * 1.7 * 1.7 inch (L*W*H). Package Includes: 1 x Grip Ball