UltraSlim by Speedskin - Keyboard Instruction Cover Opaque Keyboard cover- accelerates keyboard memorization, & train students to keep their eyes on the screen, not on their fingers. Fits: All Apple Laptops; Most Standard Laptops (not mini-laptops); & Flat-key, Stand-alone, Desktop Keyboards ("Ultra-Slims") Covers only letter, number, and punctuation keys Easily lifts on and off in one step as a unit Durable and washable with mild soap and cold water