Universal Cleaning GelUniversal cleaning gel very suitable for Auto interior cleaning and household, simple and convenient to use, leaving no residue. It can picking up dust/dirt from your keyboard, car vent, car interiors and the areas hard to reach, so perfect use as keyboard cleaner, car cleaning gel and dust cleaning gel. You also can use it clean mouse, calculator, camera, printer, car detailing, dashboard, air conditioner & furniture and more, especially the dead corner and gap. Safe MaterialThis dust cleaning gel is made of high quality biodegradable gel material, it is friendly to the environment, non-irritating to the skin, non-sticky and smells with light fragrance. (PLEASE NOTE : The cleaning gel is not edible, please keep them away from babies and pets) Easy to UseKeep the palm dry before use, take a piece of the keyboard cleaning gel, knead it into a ball, press the cleaning gel slowly into the keyboard, car vent and other rugged surface, roll or press slightly for about 3-5 seconds and then pull up slowly, the dust would be carried away with the gel. Durable & ReusableThis keyboard cleaning putty could be used again and again till the color turn to dark, then you have to replace the gel with a new one. Please put the gel into the box after use and store it in a cool dry place. Use period after opening is around 3 months; Unopened expiration date is around 2 years.(PLEASE NOTE : The cleaning gel can not be cleaned. Do not wash it in water.)