Features: Versatile Hand Exercise Tool: This finger exerciser grip ball is designed to improve finger strength, hand flexibility, and overall hand health, making it suitable for a wide range of users, including the elderly, athletes, musicians, and those undergoing rehabilitation. Targeted Muscle Training: With its ergonomic design, this finger strength trainer ball effectively targets and tones the muscles in the hand and fingers, aiding in the prevention and treatment of conditions such as trigger finger. Enhanced Circulation and Flexibility: Regular use of this massage stroke rehabilitation training tool can help improve blood circulation, reduce stiffness, and enhance overall hand flexibility, promoting better hand function and comfort. Reusable and Long-Lasting: Crafted from good-quality materials, this hand grip strength ball equipment is built to withstand frequent use, making it a reliable and durable choice for long-term hand therapy and exercise. Easy to Clean: The smooth surface of this rehabilitation training hand stress ball can be easily cleaned with a damp cloth, ensuring hygienic and hassle-free maintenance. Specifications: Material: TPR Size: 8*9cm Notes: Please allow slightly errors due to manual measurement and different monitors. Include: 1*Finger Exerciser Grip Ball