USA standard Keyboard cover, Fits for Macbook whtie 13 unibody Macbook Pro aluminum unibody 13" 15" 17". NOT suitable for British and European standards keyboard * Protect your Macbook keyboard against spills and contaminates * Made with durable non-toxic, engineering-grade Thermoplastic Polyurethane to an amazing thickness. * Anti-dirty & dust & liquid: Avoiding water, liquid, dust, soot, cookies, etc. fall into the cracks. made the Macbook served you with longer life. * Completely washable and reusable. Easy to clean: Dry clean can be reused right away. wet cleaned can be reused once the water gone.