Safely and thoroughly cleans all keyboards. Your dirty keyboard holds a mysterious world of filth under and around the keys that can prevent it from working properly and can lead to a breakdown. Get your keyboard, laptops and netbooks safely clean with the Premium Keyboard Cleaning Kit. Kit contains 1-3.5oz duster, 4 cleaning swabs, microfiber shammy cloth, LCD cleaning spray. Duster is 100% ozone safe. Contains a bitterant to help discourage inhalant abuse.