Lyra Rembrandt Polycolor Pencils in an assortment of 12 grey toned colors including white and black. The vibrant, smooth quality of these oil-based pencils are a pleasure to draw with; they work well on any paper and are highly lightfast. Great for sketching, coloring, and portraiture, you can create specific shades, tones and gradients with the excellent array of 12 grey tone color choices.