These professional artists black pens from Faber-Castell are ideal for sketches, journals, cartooning and fine-ink drawings. Permanent India ink with the highest-quality pigments is both acid-free and archival (pH neutral), offering unsurpassed lightfastness. Non-toxic ink goes on smoothly without blotting and is smudgeproof & waterproof when dry. Set includes 4 nib sizes: superfine, fine, medium and brush. Clear plastic pouch included.