Features:
Stylish appearance, simple & easy to use.
Just the right feel comfortable, writing smooth.
Double headed pen is more convenient for you to use.
Using PP material as pen shell, has great airtightness & durability.
Watersoluble dye inks is odorless, non-toxic & environmental-friendly.
The color will dissolve in the water; you can mix the colors as you like.
Pen point has compact fiber & great air permeability, which ensures the ink permeate smoothly.