Silicone Keyboard Protector Cover Skin for HP ENVY 4 Series Ultrabook US Layout Laptop (Semi-Transparent Black) Package includes: 1pcs semi-black silicone cover + 1pcs BingoBuyTM card case Pefectly molded for each key, high quality silicone, lower the noise of typing No glue, static cling, flexible, washable, easy to fix & remove Waterproof and dustproof, protect your keyboard against everyday spills (coffee/beer/milk), dust (crumbs/powder), pet's pees or the other incidents