2 pack universal dust cleaning gel suitable for car vents to clean gaps in car interiors, printers, calculators, home office electronics-240g wowwayca <b>instruction:</b><br>1. keep the palm dry before use, take a piece of the cleaning gel.<br><br>2. press the cleaning gel slowly into the keyboard, car vent, roll or press slightly<br><br> for about 3 – 5 seconds and then pull up slowly, the dust would be carried away with the gel.<br><br>3. roll the cleaning gel to stick and remove the gel residues if any.<br><br>4. after use, put it back in the jar and store it in a cool and dry place.<br><br>5. it could be used again and again till the color turn to dark, then you have to replace the gel with a new one.<br><br><b>tips:</b><br><br>keep away from direct sunlight and keep the cleaning gel in a cool dry place.<br><br>keep your hands dry when using the cleaning gel.<br><br>non-edible, keep away from children.<br><br>don't wash the gel with water.