Item Type: Silicone Finger Exerciser Material: Silicone Function: Exercise Fingers, Wrist Force, for Hand Injury, Wrist Injury and Other Hand Rehabilitation Training, As Well As Adult Hand Muscle Fitness Exercise. Package List 1 x Wrist Tensioner 10 x Finger Sleeve 1Promote Hand Circulation: Training can promote hand circulation, enhance hand muscle strength, practice hand function, improve hand dexterity and joint range of motion. 2Flexibility: Silicone finger gloves are soft, reliable, firm, elastic, flexible and not easily broken or faded, maximizing range of motion. 3Application: Finger strength trainer can exercise fingers and wrists, used for hand rehabilitation training caused by hand injury and wrist injury, help people exercise hand muscles and relieve hand discomfort and fatigue. 4Universal: The clever design can be used for both the left and right hand, or each finger can be practiced separately for flexibility and endurance. 5Widely Used: Finger grip trainer is suitable for people of different ages, suitable for rock climbing, tennis, baseball, guitar, piano, drummer, etc.