Coosbo - Silicone Laptop Keyboard Cover Skin Protection for 11.6" MacBook Air Accessories (11" Gold) 1. Waterproof and dustproof, protect your laptop against spills, dust,and other contaminants,Sunproof, Anti-Ultraviolet Radiation, Will Not Change To Yellow Even If Used For A Long Period. 2. Removable and washable, the cleaning without affecting the effectiveness of their use 3. Comfortable and soft to touch,prolongs keyboards life. 4. Reduction the sound of keyboard. 5. Anti-scratch & stain-proof.