Brush Pen with two tips. The fine tip (line thickness: approx. 0.8 mm) is mainly used, when drawing exact lines. The second tip is a flexible brush tip. Its line thickness varies according to the pressure applied to up to approx. 10 mm. Available in 107 vivid colors + blender. Water-based colors can be mixed together and used as watercolors. Perfect for handlettering, aquarell, illustrations, stamping / card crafting, drawing comic / manga, journaling and much more. These pens are acid-free, non-toxic and odourless. Colors are not light-resistant.