"Black is the shadow of all colors." - Leonardo da Vinci Versatile and sturdy wax crayon with cardboard paper wrapping that sharpens easily. It provides intense color for coloring, outlining, or filling. Ideal for rough use on a wide range of materials. Multi-purpose crayon / marker. Material: Wax and paper. Measurements: 17 cm / 6.7 in. Weight: 10 grams / 0.35 oz. Rugged use. Intense color. Non-toxic.