The Crossover Grip uses a revolutionary applied technology that works with the body's natural physiology to gently place fingers in the proper position for gripping. It uses the same great design as The Pencil Grip but has added wings to prevent fingers from crossing over each other. Recommended by doctors and occupational therapists. Ergonomic design reduces fatigue and improves general hand health. Details:Metallic colorsFits a wide variety of writing instruments12 grips per packageWorks for the left and right-handedLatex and phthalate freeRubber