TNT - Keyboard Cover Ultra Thin Thermoplastic Skin for Apple Macbook Air 13" (Purple) Compatible with: Apple Macbook Air 13 inch Ultra slim design featuring unparalleled key sensitivity and response. Dust-proof, water resistant, non-toxic and 100% recyclable. Apply and remove easily for cleaning or disinfecting. Each key is individually molded on premium grade thermoplastic Polyurethane measuring an astonishing 0.10mm thickness. Designed to provide full protection for your Macbook keyboard against dust spills, key wear and more