Universal Fitcleaning gel, simple and convenient cleaning kits for PC/laptop keyboard and other rugged surface, such as the car vent , camera , printer , telephone , calculator, Instrument , speaker , air conditioner, TV and other appliances. Safe Cleaning GelThis universal dust cleaner is made of biodegradable gel, no sticky to hands, smells sweet with lemon fragrance, no stimulation to skin. Easy Dust CleaningMake sure your hands are dry and clean, take a piece of the cleaning gel, knead it into a ball, press the cleaning gel slowly into the keyboard, car vent and rugged surface and then pull out, the dust would be carried away with the cleaning gel. ReusableThe keyboard cleaning gel could be used repeatedly till the color turn to dark or it become sticky, then you have to replace the gel with a new one . After cleaning, please stock the cleaning gel in cool place. (Dont wash the gel in water.)