1. Helps to improve hand-eye coordination, train reaction ability, prevent myopia 2. Low noise play, do not affect others 3. Wristband sticker design, easy to wear, easy to adjust the size 4. Ball weight of about 60g, soft elastic touch, do not worry about playing in the process of accidentally hurt themselves 5. Material: PVC, polypropylene fabric wrist strap 6. Weight: ball about 60g 7. Size: ball about 6cm, wrist strap about 23 x 5cm, rope length about 1m
