Hold the pen vertically while writing. Keep enough pressure on the pen so that ink may come out fluently. However, don’t press too much. Clean the pen nib after each use and then put on the pen cap immediately to prevent ink from drying up. Use within 12 months for better result.
Writes on HDPE WOVEN SACKS, PLASTIC CARBOY, PVC DRUM, WOOD, CARDBOARD, RUBBER, LEATHER AND HARD TO MARKER SURFACES.