Works with the body's natural physiology to gently place fingers in the proper position for gripping. Allows over a 90% surface contact with its soft, comfortable gripping surface. Recommended by doctors and occupational therapists. Reduces fatigue and improves general hand health. Fits a variety of writing instruments. Great for both right and left users. Latex and phthalate free. Material(s): Thermoplastic Elastomers(TPE); Color(s): Assorted; Length: 1 1/2".