Keyboard COVER Compatible with Dell KB212-B / KB4021 - Part #641G104 - Protects from Mold, Spills, Dirt, Grease, Food, and Bacteria - Easy to Clean and Disinfect. PROTECTS YOUR KEYBOARD FROM REGULAR USE - Keeps your keyboard free from liquid spills, food, dust, oil/grease, sand, moisture, pet hair, pathogens, and viruses and prevents bacteria from growing between and under the keys. KEEPS GERMS ON THE SURFACE - Keeps germs and dirt on the surface of your computer where it can be easily cleaned and disinfected LATEX FREE - No need to worry about allergies, because these covers are 100% free of latex! EASY TO DISINFECT - Simply wipe down the keyboard with a germicide wipe of your choice! Reduces the hassle of having to clean between keys, or removing keys to clean beneath them. EASY TO USE - Adheres quickly and easily to the keyboard using double sided adhesive tape. The snug fit makes cleaning a breeze, as the keyboard can be cleaned without removing the cover. For a slightly tighter fit, use a blow drier approximately 8" from the cover after attached on the lowest setting for roughly one minute