Faber Castell Pitt Artists' Pens...Pigmented India Ink that is acid-free and archival (pH neutral). Smudge-proof and water resistant when dry. Inks contain the highest quality pigments for unsurpassed light-fastness. Pefect for sketches journals catooning and fine ink drawings. Acid free ink makes these ideal for scrapbooking as well! Price is for one pen only; photo illustrates the different tips that are available.Available in 4 nib sizes and three colours: black sanguine and sepia!