XSKN Ultra Thin Clear Transparent TPU Keyboard Skin Cover for Microsoft Surface Pro 4 Type Cover, US layout Perfectly fit for Microsoft Surface Pro 4 Type Cover Made with durable, non-toxic engineering-grade material, washable and reusable Pefectly molded for each key, design to provide the full protection for your keyboard against dust(crumbs/powder) and liquid spill(coffee/beer/milk), dust , pet's pees and other contaminants Extremely transparency keyboard cover, ultra thin to 0.21mm - one-fifth the thickness of silicone protector, light weight, healthy and environmental friendly XSKN, the inventor of keyboard skins, continues to search for the best quality keyboard covers