Stress Reducing Grip Strength Grabbers, crafted from high quality silicone material, soft and comfortable to touch, safe and non-toxic. This gripper is uniquely designed with a center hole in each, and is available in both solid color and mixed color models. Not only can it be used as a stress relieving toy to help relieve stress and anxiety, but it can also be used to exercise your hand muscles through repeated squeezing and gripping to enhance grip strength and finger dexterity. Available in a variety of vibrant colors, it is a favorite fitness gadget for children and adults alike.