Feature:1. Improve Circulation: Health exercise massaging ball enhance blood circulation and promote better circulation for increased energy and vitality.2. Relieve Stress: Squeeze and release the exercise ball to reduce stress and tension, promoting relaxation and improved mental well being and is good for body.3. Massage Acupoints: The textured surface of the ball stimulates acupoints on the hand, providing a soothe massage and promoting your body health.4. Hand Exercise Tool: Hand exercise balls are perfect for adult and children in need of hand rehabilitation, providing effective hand strengthening and flexibility exercises.5. Soothe And Calming: The rotating balls emit a gentle sound, helping to calm and inhibit the excitement of brain nerves. Perfect for stress relief and relaxation.Specification:Item Type: Baoding Fitness BallMaterial: CoralDiameter: Approx. 5cm or 2inProduct Use: Wrist bending and flexible stretching, enhance hand strength, dexterity.Package List:2 xBaoding Fitness Balls