The Polychromos artists pastel crayons contain a high level of pigment, and are free from oils and wax. The crayons can be smudged to create fine transitions of color. Harder than the soft pastel crayons, Polychromos crayons are also well suited to drawing. Polychromos artists pastels are characterized by their stable consistency, economy of use and excellent adherence to paper, cardboard, wood and stone. Only minimal fixing is required, ensuring that the pastel drawings retain their vividness of color. Polychromos pastel crayons of the highest quality. High quality pigments of unsurpassed light-fastness. Intense color, ideal for detailed and wide area work.