Water-based pigment ink drawing Pen produce smooth, skip-free drawing and writing with no smudging - ink dries instantly!  durable nib will withstand firm pressure without bending tip, ensuring steady ink flow.  great for use with colored art markers and colored pencils.  produces excellent results when used with drawing, marker, watercolor, and mix media paper.  ideal for illustrations, technical drawings, manga, anime, lettering and journaling. Create precise, detailed drawings with three tip sizes - 01, 03 and 05.  odorless.  black ink, non-refillable.