1. Gel pen 
2.Ballpoint Pen 
3.Rollerball Pen 
All three can write on it.
Repeated use non-sticky paper.
The best choice for office learning.
Size conventional.
The measured data has an error of 1-2mm. Please understand.

Notice: Water-based pen and ink are more difficult to dry~please wait a while
Notice: Water-based pen and ink are more difficult to dry~please wait a while