-Erasable Pen is a special refill, which is different from the 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.