Type: Health Exercise Ball Material: Wooden Color: Wood Size: Diameter 5Cm 1. Made of high grade wooden material, which is durable and solid. 2. It can help to relief your stiffness and your entire hand just like a finger .Reliefs your muscle and joint all . 3.In addition to relieving stress, Health Balls or Baoding Balls are known to joints, blood circulation, sleep patterns and memory. 4. surface and small size are easy and comfortable . 5. Can massage the acupuncture points in your hands to make the bones be stronger, and thinking be clearer, which is a relief of fatigue and stress. How to use: When exercising, put two balls in your hand, relying on flexion and extension, so that the two balls circled with each other, the rotation direction of Shun, inverse of the points, so that all the joints in the hand are in motion. With the hand flexion and extension, exhibition income, front wall muscles can have a rhythm of contraction and relaxation. Hands can be alternating exercise, also three or four balls at the same time rotating, playing a few tricks Package Contents: 1* Health Exercise Ball Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.