These Niji Artist Crayons are creamy, highly pigmented, artist-quality crayons that offer excellent coverage on virtually any surface. Perfect for artists of every age and ability level, draw and design on anything from paper and glass to ceramic, metal, and even rocks. The crayons measure 3 1/4" long and 7/8" thick. The set of 12 - includes white, black, gray, brown, pink, purple, cobalt blue, sky blue, viridian, lemon yellow, reddish orange, red, chrome yellow, yellow green, blue green, deep blue, golden ochre, and coffee, plus a bonus clean blender.