Because erasable nature, can not be used in the securities and important documents signed work
Erasable Pen is a special refill, which is different from ordinary refill.
If the refills of Erasable Pen experiences high temperatures (this may be during transport).
the color of pen refills will change (will become milky white), and even lead to refills can not be written.
If you encounter such a situation, you can freeze the pen refills in the freezer compartment.
After 12 hours, the color of pen refills will return to normal. Remove the refills from the refrigerator;
you need to wait 1-2 hours, the refills can be used normally.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.