OEM Hand Grip Strengthener for Muscle Training
Size: customized ，mainly 10*10*1.5cm
Adopt high quality silicone, not easy to tear. It is washable and can be used frequently and comfortably.
Strengthen your wrists, improve the flexibility of your fingers, and increase the strength of your hands while reducing fatigue.
Suitable for all ages, suitable for all hand sizes, different from other “pinky hole bracelet” on the market. Easy to carry, easy to carry in a bag or pocket.