Polychromos artists’ colour pencils are valued for their matchless quality by professional artists around the world. Faber-Castell's quality standards are applied consistently throughout the manufacturing process.Polychromos colour pencils have high-quality acid-free pigments in bright colours, with unsurpassed lightfastness. They have a soft, vibrant colour laydown and are both water-resistant and smudge-proof.Each pencil has a thick 3.8 mm core with high break resistance. The wooden barrels are sourced from sustainable forestry and protected with a water-based 'eco' varnish.This wooden case contains 48 colours of the Polychromos range aligned over two tiers, as well as 2 x Castell-9000 graphite pencils in HB and 2B grades.