How to tear off the label on the travel sheet:

After a little hot compress of the trademark with a hot towel, find a corner and gently uncover it. If it doesn't feel good, you can apply hot compress several times. 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.

scrub or erase with ether;

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