XSKN keyboardTPU2332 Ultra Thin Keyboard Cover for Microsoft Surface Pro 4 Fits for keyboard of Microsoft official released surface pro 4, us layout Extremely transparency keyboard cover, typo material, ultra thin to 0.18Mm Perfectly molded for each key, design to provide the full protection for your keyboard against dust(crumbs/powder) and liquid spill Made with durable, non-toxic engineering-grade material, light weight, healthy and environmental friendly, washable and reusable Xsan, the inventor of keyboard skins, continues to search for the best quality keyboard covers