If you are trying to build strength in your forearms, wrists or fingers after injury, these hand therapy grippers can also be used as massagers especially for arthritis, carpal tunnel, stroke rehab, tennis or golfers’ elbow. Egg shaped to fit in your hands. Made of silicone gel with an ergonomic design and unique textured surface, easy to clean, can be repeatedly compressed without losing its shape. Perfect for progressive training. Improves strength, prevents stiffness and relieves joint pain.