The emzone Laptop Cleaning Kit contains a Screen Cleaner, Microfibre Cloth and Brush. The Screen Cleaner foam effectively cleans laptop screens leaving a brilliant shine while removing any dirt, fingerprints and smudges. The product can also be used on a wide-range of electronic devices. Ammonia free. The brush can be used to sweep away dust and dirt from between the keyboard's keys. The Microfibre Cloth gently wipes the Screen Cleaner Foam resulting in a radiant shine. The combination of the products makes laptop cleaning effective.