The Drawing Inks have been used by illustrators since their introduction by Winsor & Newton in the 1890's, where the main requirement is brilliance of color.Today they are formulated from a series of soluble dyes in a superior shellac solution. These inks can be applied with brush, dip pen or airbrush and are widely used by designers, calligraphers and artists as well as illustrators.Details: Black Indian Ink1 fl. oz. (30 mL)Can be applied with brush, dip pen or airbrush