2. It can be wiped with wind oil essence or removed.

3. You can try the rubber. But at the beginning, you may feel that the more you rub it, the dirtier it is. But if you rub it for a long time, you will see the effect. This method is tiring and requires perseverance.

4. soak it in water, put a little detergent, and then brush it with an old toothbrush.

5. Wipe it with a cloth dipped in alcohol or spirit Erguotou.

6. You can also blow it with a hair dryer until it is hot, and the label will be easily removed without leaving any trace.