The Pigma Micron is a fine point drawing and illustration pen that provides the archival quality of Pigma ink. The ink is acid-free, waterbased, waterproof, chemical proof, fade resistant, will not smear nor feather when dry and will not bleed through most papers. The ink is also AP non-toxic. This pen is used by students, crafters, draftsmen and professional artists. Common uses include: graphic art, sketching, pen and ink illustrations, calligraphy, scrapbooking, rubber stamping, as well as general letter writing. Packaged in plastic case. Label may vary.