XSKN OS X Shortcuts Keyboard Skin Cover for MacBook Air 13, Pro 13 15 17 (US / European ISO Keyboard) Provide shortcut instruction for Macbook OS X, suit for MAC OS X operating system user, especially those do not familiar with os x hot keys, help to increase your efficiency Each XSKN silicone skin is heat molded to ensure a perfect fit then each color is pains taking hand screened using silicone paint which is heat fuses into the silicone keyboard skin to become one, making it durable, crack proof and washable XSKN, the inventor of silicone keyboard skins and continues to search for the best quality silicone to ensure that organic cashmere feel. XSKN hand screen keyboard skins is a craft that cannot be duplicated by machines Soft, ultra-thin, and washable. Elaborately lower key height design to give you better type feeling, especially after long time typing Compatible with: US and EU layout MacBook Air 13" (A1369 & A1466), MacBook Pro 13" with Retina Display (A1425 & A1502), MacBook Pro 15" with Retina Display (A1398), Old MacBook Pro 13" with CD-ROM Drive (A1278), Old MacBook Pro 15" with CD-ROM Drive (A1286) and iMac 1st Gen Wireless Keyboard (MC184LL/B), both US(ANS) and EU(IOS) versions . Do NOT compatible 2017 & 2016 MacBook Pro 13"/15" with or without touch bar or any other models