The high-quality Pitt Artist pen range from Faber-Castell is highly regarded amongst creatives in all fields for sketching, ink drawings, architecture, fashion & more! This wallet contains a selection of six Pitt Artist pens in a range of sizes (please see Contents below for further details). Easy-to-use, each pen is filled with a richly pigmented deep black Indian ink that's highly lightfast & waterproof once dry (on absorbent surfaces), along with being odourless, acid-free & pH neutral for a reliable, user-friendly experience no matter the situation. Video: Compressing Colours With Faber-Castell PITT Artist Pens