Purchased in Motomachi-Chinatown. Used only once. Fitness Balls, Chinese Health Exercise Stress Balls, Stainless Steel Fitness Balls with Carry Pouch, Chinese Health Balls for Hand Therapy Product Usage: Excellent personal collection and a beautiful gift. These health balls help increase your memory and gain energetic, positive energy. They keep your hands, fingers, wrists, and arms healthy. Product Description: By rolling both lightweight balls clockwise or counterclockwise in your hand, the acupressure points in your hands and fingers are stimulated. They also stimulate the wrist points as the muscles rhythmically contract and expand. Product Benefits: Health balls are traditional folk fitness equipment. The hand movements are beneficial for the brain; playing with health balls allows people to focus their thoughts on their hands, eliminate all kinds of distractions, relieve tension, and relax the brain. Satisfactory Service: If you have any questions about our products or services, friendly customer service, or email support, we will do our best to resolve the issue.