The Essential Star Hand Exerciser features a unique shape that effectively exercises the fingers, hand and forearm. The star shape is ideal for rehab, recovery, training and strengthening of the hand, fingers and dexterity. The Essential Star Hand Exerciser is designed for style and durability. The unique design allows that middle to rest in the palm while the user works their fingers with each of the points. This long lasting durable squeeze star is made of skin safe latex free composite material, and has a texture that is ideal for gripping. The Pink Squeeze Star has a softer resistance, making it the easiest to use as well as ideal for stress, recovery and strengthening. The Blue Squeeze Star has a medium resistance, making it ideal for strengthening. The hand exerciser has an easy to open and close clamshell package. The Essential Star Hand Exerciser is available in two firmness levels – Soft or Medium. Essential Star Hand Exerciser Choose firmness: Soft Pink or Medium Blue. Material: Skin safe, latex free composite. Measures: 3.5 inches wide, 3.5 inches long, 1 inch high. Care: Clean with a mild soap and warm water.