Deleter Neopiko Line 3 Manga Comic Pen - Black All Size Set Designed for Manga artists, graphic designers, professional artists, art students and model kit builders by Deleter in Japan. Smooth and durable high quality nib. Waterproof, Lightfast and archival. Water-based Pigment ink. Once dried, Smudge-proof with Alcohol-based markers or water-color. AP mark certified by ACMI for ASTM D4236 conformity to be non-toxic.