Formulated for the quality-minded, professional screen printer, these inks print well on paper, wood, cardboard and certain vinyls. They have a vivid, water-resistant, matte finish when dry. These inks combine the permanence and intense colour of oil-based inks with the convenience of water wash-up. They may be used with speedball Diazo and Bichromate photo emulsions, screen filler and lacquer-based cut-film stencil. They can also be extended with speedball extender base or retarder base.