Polychromos artists' pencils are valued internationally by professionals and semi-professionals for their unsurpassed quality. The high quality standards of the Polychromos colored pencils shine through, whether they are used for graphics, artistic free style or for the exact rendition of plans. High quality pigments of unsurpassed light-fastness and brilliance. Smudge-proof and water-resistant thick oil pastel lead, soft color stroke. Break-resistant due to SV bonding.