CaseBuy Ultra Thin Soft Silicone Gel Keyboard Protector Skin Cover for Lenovo ideapad 300 15", 500 15", 500S 15", Y700 15" & 17", Z51, Flex 3 15" Laptop - Clear Made for Lenovo ideapad 300 15", 500 15", 500S 15", Y700 15" & 17", Z51, Flex 3 15" Laptop. Waterproof and dustproof, protect your keyboard against everyday spills (coffee/beer/milk), dust (crumbs/powder), liquid, pet's pees or the other incidents High quality silicone material, durable, healthy and environment friendly Prevents keyboard keys from general wear and tear caused by everyday use. Removable and washable, the free cleaning without affecting the effectiveness of its use.