The SpeedSkin UltraSlim "No-peek" opaque Keyboard cover- accelerates keyboard memorization, & train students to keep their eyes on the screen, not on their fingers. It is very important to cover the keyboard during the early stages of the typing tutor experience. The SpeedSkin UltraSlim fits: All older Apple Laptops; Most older Standard Laptops (not mini-laptops); & Older Flat-key, Stand-alone, Older Desktop Keyboards ("Ultra-Slims") The SpeedSkin UltraSlim covers only letter, number, and punctuation keys The SpeedSkin UltraSlim durable and washable with mild soap and cold water