Designed to protect from dust, dirt, and spills, the ClearSkin keyboard cover has been perfectly engineered to fit your MacBook Air 11-inch notebook. The ClearSkin keyboard cover is the thinnest, clearest cover we have ever made. And now, it has been specially molded to fit the keys on the MacBook Air 11-inch keyboard. The ClearSkin keyboard cover is made of a 0.1mm advanced space-age plastic, so clear that it is almost invisible when put on the keyboard...and because it is so thin, you can hardly notice it when typing. Compatible with: 11-inch MacBook Air (US Keyboard) Protect your investment in your notebook computer with a KB Cover. They are hand washable and easy to keep clean.