Meditation balls, are two little balls that can be held in one hand. As you roll them in the of your hand, the relative positions of both balls is constantly switching. Initially, the balls maintain even as they are rotated. With practice, your hands eventually learn to these balls without having them each other. Features - Color: Green. - Material: Silk tweezer. - Size: 5 x 5 x 5 - In addition to relieving stress, Chinese health balls or Baoding Balls are known to improve joints, circulation, sleep patterns and memory. - Meditation balls purportedly improve brain function while they exercise your hand muscles. - Some people also believe that meditation balls help reduce stress, their use is more focused on stress reduction, relaxation, and strength and training. - Meditation balls are known to improve joints, circulation, sleep patterns and memory. And they are also said to assist in injury . - While on your hand it can help to relieve your stiffness and relax your entire hand just like a finger therapy. Relieves your muscle and all together. - Warm Tip: Dear buyer, Due to lighting effect, monitor’s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 Fitness Handball