Akashiya STL300-01 ThinLINE Brush Pen, Extra Fine Brush Color, Set of 5
Watercolor Brush, Ultra Fine Brush, Coloring, Celius, Ink colors will not flow into water when dry, and will not fade. This is a very fine brush pen. The tip is made of highly elastic artificial hair (special seni), and each brush is painstakingly handmade by a brushmaker.