Product Description FABER-CASTELL POLYCHROMOS PENCILS: Each pencil contains superior pigments of unsurpassed lightfastness (resistance to fading), which is rated on each pencil. Polychromos colored pencils are available in 120 colors that are part of a unique color matching system that encompasses all Faber-Castell Art & Graphic products. Buttery smooth color laydown, easily blended and layered, no waxy build up SV Bonding, to strengthen lead and prevent breakage. Thick 3.8mm leads. Water-resistant and smudge-proof