Leze - Ultra Thin Silicone Cover Skin Protector for Lenovo Z50,Z51,Z50-70,Z70,Z710,B50,B50-45,B50-80 Laptop Semi - Gradual Blue Extra slim silicone skin, made it easier for typing Closely paste the keyboard surface and fitted each key perfectly Soft durable ultra thin material to ensure comfortable usage while typing Removable and washable, keeping it clean and makes it always new Waterproof and dustproof, protect your laptop against spills, dust, and other contaminants