Specification: Condition: Brand New Item Type: Grip Ball Material: silicone Function: 1. Rehabilitation training 2. Activities calcined knuckles, palm muscles 3. Press finger, activate joint 4. Build up finger and arm strength Usage: The size of the grip ball is not big, just in the palm of your hand, hold the ball and press firmly, you can feel the pressure of the grip ball put on your fingers. In general, many times, you can feel the numbness and fever of the palm, and then it is very comfortable feeling. Since when the ball is pinched, the flexible ball is deformed and filled with the palm, the palm is loose and firm, the ball can effectively stimulate the main acupuncture points of the palm, promote blood circulation, and achieve the effect of exercise and care. Basic exercise: Hold the ball completely in the palm of your hand and do hand stretching exercises ten times, first with your right hand and then alternately with your left hand. Applicable population: 1. Climbers and bodybuilders train finger strength and grip strength 2. Fans of badminton, table tennis, basketball and other ball games 3. Learn to play the piano to practice finger strength 4. People have been using computer keyboard and mouse for a long time Cleaning: To extend the life of the silicone grip ball, it is recommended to gently wash it with water Package List: 3 x grip ball[PORTABILITY FOR ANYWHERE EXERCISE] - The small size of our Wrist Finger Massage Stress Relief Balls allows you to easily put in or take out of your pocket. They give you the flexibility to exercise anywhere - while traveling, in the office, at school, or even while watching TV without worrying about them rolling away. [HEALTH ] - Regular usage of our Hand Balls results in noticeable numbness and heat in your palms leading to comfort and relaxation. This is because when you squeeze the power ball firmly, it stimulates major acupuncture points on the palm, thus promoting blood circulation for a healthier you. [ENGAGING DESIGN] - Employing a high elastic rubber band, our Gel Squeeze Balls offer flexible rolling without straining the wrist. Easy to hold and bright in colors, they not only relieve stress but can serve as a pleg decorative item as well. [ADJUSTABLE AND PRACTICAL] - Crafted with a durable double-row buckle for double fixation, our Elderly Rehabilitation Training Massage Ball set allows you to adjust the ring size as needed. The set includes three available exercise balls enhancing its utility further. [VERSATILITY IN APPLICATION] - Our Hand Wrist Exercise Balls are designed not just for killing time. They can be used easily for rehabilitation training, improving grip strength for climbers, bodybuilders, or piano players. Even for ball game enthusiasts, these stress balls aid in exercising ankle and palm muscles.