Product Information Lightfast 1 (1-Excellent, 2-VervGood, 3-Good, 4-Fair, V-Poor) Non-pigmented, wax-based pencil is ideal for softening hard edges and blending and lightening colored pencil artwork without adding additional color. Available in the Prismacolor Premier Colored Pencil, Prismacolor Premier Lightfast Colored Pencils and Prismacolor Art Stix Available individually