★Universal Fit★Universal cleaning gel, simple and convenient cleaning kits for for Laptop Keyboards PC Tablet, Car Vents, Cameras, Calculators, Printers，Mobile Phone,Air Conditioner Vents and other appliance. ★Easy to Use★Take a piece of the cleaning gel, knead it into a ball, press the cleaning gel slowly into Laptop Keyboards PC Tablet, Car Vents, Cameras, Calculators, Printers，Mobile Phone,Air Conditioner Vents and then pull out, the dust would be carried away with the cleaning gel. ★Durable★This keyboard cleaning gel could be used again and again till the color turn to dark, then you have to replace the gel with a new one. (NOTE: don't wash the cleaning gel in water.)