Holbein Artists Watercolor are known for their purity, permanence and brilliance. Extra-fine, European style transparent watercolor that preserves the brush handling qualities used in Japanese watercolor techniques. Contains no oxgall, animal by-products or other dispersing agents. The paint moves slowly, allowing for greater color density and control. Creamy texture remains smooth when dry and will not crack, crumble, or chip. Can be used to fill wells of a palette- allow to dry and then use as a pan color. 15ml tube, Pyrrole Rubin