Pitt Pastel Pencils are available in 60 colours that are part of a unique color matching system that encompasses all Faber-Castell Art and Graphic products. Perfect for mixed media. Each pencil contains the highest quality pigments for unsurpassed lightfastness (resistance to fading), which is rated on each pencil as follows:***Very good fade resistance, **Good fade resistance, *Reasonable fade resistance. Buttery smooth colour laydown provides excellent colour opacity and can be easily blended for layered effects, highlights and transitions. Extra-thick 4.3 mm leads can be wiped like ordanary pastels. Gentle fixing is recommended. Housed in premium cedar wood casing with SV bonding to strengthen lead and resist breakage, while providing sharp fine lines and excellent point retention.