on the sunglasses lens:

1. After applying a little hot towel to the label, find a corner and gently uncover it. If it doesn't feel good, you can apply hot compress several times. 2. Because trademarks are all pasted with non-adhesive agent. After uncovering the trademark, gently wipe off the excess glue stuck to the lens while it is hot.

3. Scrubbing or erasing with ether;

4. Use a hair dryer, blow the trademark at a distance of 15 cm for about one minute, and then tear it off, and it will be easy to tear it off.