Speedball 004631 Acrylic Screen Printing Ink, 8 fl. oz, Ultramarine Blue Formulated to produce the highest quality results whether used by the professional or hobbyist Featuring 30 colors including process, glow-in-the-dark, and fluorescents, Speedball acrylic screen printing inks are the brand of choice for screen printers Colors print with richness and are ideal for use on paper, wooden and cardboard All colors carry the ap seal and clean up easily with soap and water Ultra blue 8Oz