Description
The Botrong 30 Colors Pen Marker Set is a set of dual head sketch markers with a brush pen and black ink. It is important to store the metallic markers horizontally and to put the cover back on after use to prevent them from drying out. The white color may take up to 20 seconds to be displayed and is only recommended for use on black card paper.
Note:
1.Must to store the metallic marker pens horizontaly, sit up or down is forbidden. After use, please put on the cover because it is easy to dry.
2.When you use the white color,you need wait for about 20s then the color will be displayed.
white is only suitable for working on black card paper.