Permanent marker for a strong, non-skid, long lasting cardboard that is essential for moving or warehouse work.
After the strokes become diluted, you can push it a few times to restore the intensity and write vividly, eliminating the stress of scattering strokes during work.
The ink is dark so it stands out.
Dark raw ink allows for crisp, visible text
Eliminates the frustration of fallen knocks.
Push the back of the body several times if the text fails The ink will instantly restore its concentration and start writing clearly.
Permanent marker top class writing distance
For traditional permanent markers, cardboard markers can write over 1,000 meters without falling. Comparison of writing distance to cardboard (2016 Pentel research).