What is the eye mark?

Do you know what is the square on the tube packaging for? We call it as eye mark in the industry, it is mainly used to adjust the sealing direction of the tube when sealing the tube tail. Therefore, although a small sign is insignificant, it brings great convenience to the production.

Today, Ashley brings you the knowledge about cosmetic tubes.

Do you know what is the square on the tube packaging for? We call it as eye mark in the industry, it is mainly used to adjust the sealing direction of the tube when sealing the tube tail. Therefore, although a small sign is insignificant, it brings great convenience to the production.

If you want to know the eye mark more clearly, please click on the video to watch it~