The Great-Touch Extendable Stylus features a soft, durable tip designed and ultra-light aluminum body with an anodized finish. It is precision-formed to the perfect size for the keyboard keys. The tip's makes it unique in its ability to function with Apple's multi-touch display. The tip glides easily over the surface of the display, making it fun and easy to sketch, draw characters, and slide to unlock. Functioning like a fingertip, it moves quickly and easily through the touch interface. The screen's glass surface is kept scratch and smudge free.