The Faber-Castell Pitt Artist Brush pen is a superb art product featuring high-quality pigment ink in a range of brilliant fine-art colours. Very light-fast and waterproof. Acid-free and pH neutral. Quality brush point provides maximum flexibility for expressive strokes or accurate detail. Ideal for graphic artists, designers, illustrators, architects, etc. Also available in various assorted sets. Fibrepen with brushtip for sketches, studies, drawings, inscriptions, designs and layouts. High-quality pigmentation with excellent color strength, Faber-Castell has combined all the advantages of artist's inks with the benefits of a modern, easy-to-use disposable pen - the PITT artist pen. The pigmented and very lightfast drawing ink is ideal for sketches, drawings, layouts, fashion design and illustration. The acid-free, archival ink is smudge proof, waterproof and won't bleed through paper. For best results we recommend using PITT pens on a smooth surface such as fine grain cartridge paper or bristol board. For sets, see the Faber-Castell Pitt Brush Pen Collection. Product Details: Pigmented India ink High lightfastness Flexible brush tip, retains its shape Waterproof, permanent Odourless, acid-free, p H neutral Does not bleed through paper View colour chart