The Stabilo Boss Original Highlighters are also sold individually

Posca pens are water-based but become permanent once dried

and minor humidity damage

0 mm rollerball pen that makes handwriting bold and expressive

This pack includes the following colors: black

sakura koi pocket water brush medium Ink and paint refills The Stabilo Boss Original HighlightersThe Medium Koi Pocket Water Brush is a solid all rounder for painting on the move. Its refillable barrel and anti leak stopper make it ideal for fieldwork or sketchbook sessions. Great for general washes or adding mid sized details, and the short barrel fits neatly into any pencil case or travel kit.