1. Ergonomic design, oval shape, comfortable grip, can train 2 fingers at the same time, the effect is better. 2. The ventilation is not stuffy. The raised bumps can effectively reduce the contact between the skin and the sphere. The middle is ventilated and breathable, and the palm does not generate heat. 3. The finger-splitting design can effectively solve the adhesion of the fingers caused by the contraction of the fingers of stroke patients, and prevent the erosion of the finger seams. 4. For finger exercise, the size of the grip ball is not large, about 6.5cm in diameter and about 10cm in length. it fits in the palm of your hand 5. By holding the grip ball and squeezing it hard, you can feel the pressure the grip puts on your fingers. Usually, if you hold it N times, your palm will feel numb and hot, and you will feel comfortable. the ball is squeezed, the elastic ball deforms and fills the palm to achieve the effect of sports health care. ; Note: shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Color: yellow Size: 10*6.5cm Delivery Quantity: 2 Piece