XSKN OS X Shortcuts Keyboard Skin Cover for MacBook 13 15 17 US Version 1. Aside from being beautiful they protect your keyboard from spills, crumbs and dust 2. Handmade Skin - Designed by Shaona: XSKN is the original Manufacturer of these "Keyboard Art Skin" Silicone Covers. They are durable, thin and soft with a cashmere feel. 3. Fits for US layout MacBook Air 13", MacBook Pro 13", 15", 17", Retina 13" 15" and Apple Aluminum Wireless keyboard that Released before 2014 (lower right key is a slim wide bar, "enter/return" key is a wide bar, otherwise not suitable) 4.100% Brand New, Mac OS X shortcut design 5.Stretchy, silicone material to resist moisture