Key features

• •EXERCISE FINGER STRENGTH: Hand exercise balls physical therapy are designed for both adults and kids. Use these grip balls to build your finger strength, prevent arthritis caused by work, and help you relieve stress at the same time. The convenient size and weight allow you to carry them around with you, perfect for a variety of workout occasions.
• •DIFFERENT SIZES AND STRENGTH STANDARDS: The squeeze balls for hand therapy contains two shapes of balls. Three egg-shaped excersing balls measure 1.65 X 2.2 inches, different colors indicate different grip strength (purple 15kg black 25kg blue 30kg). One yellow finger-split grip strength trainer measures 3.9 X 3.5 inches with a thickness of 2.3 inches.
• •EASY TO CLEAN: The stress ball for hand therapy is made of thermoplastic rubber (TPR), which is skin-friendly and non-irritating, and can be used by both adults and children. It can also be washed directly in water if it gets dirty. The hand gripper strengthener is made of PU foam sponge, the surface is smooth and not easy to stick to dust.
• •EXERCISE, RELIEF & REHABILITATION: The squeeze ball for hand strength can meet your multiple needs. You can squeeze any part of the grip balls to exercise your grip strength or relieve your pressure, or you can also use them to gradually restore your finger strength when treating hand injuries. The hand gripper also has a finger grip to help you hold the ball better.
• •CAUTION: Even though the finger exerciser is made of high-quality material, it's not unbreakable because it can't be too hard to ensure a good grip. The finger grip is quite fragile compared to the ball, so please do not tear or pull hard when using it to avoid damage.