How to quickly remove the black mark on the item after the label paper is torn off?

After tearing off the label paper, quickly remove the black marks on the items. Here are some practical methods:

1, which can be erased with an eraser;

2, you can also use transparent tape to stick it on, and then tear it after sticking it tightly;

3, heating, the viscosity becomes weak after heating, and it is easy to remove;

4. It can be wiped with soap or removed.