The most popular, highest quality colored pencils available. Designed to meet the needs of any creative artist. Famous for their layering ability. Extra-thick (5/16"), creamy-smooth leads give intense color and uniform consistency. Made with premium pigments, they are water-resistant and extremely lightfast. Colors precisely match Art Stix, Verithin pencils and Prismacolor Watercolor pencils. 7" long, pre-sharpened. For best results, the manufacturer recommends using a manual, hand-held sharpener. PMA approved. AP Seal, non-toxic.