Screen Printing Night Glo Fabric Ink 8Oz | SPEEDBALLBrilliant colors, including process colors, for use on cotton, polyester, blends, linen, rayon, and other synthetic fibers. NOT for use on nylon. Also works great on paper and cardboard. Wash fast when properly heat set. Non flammable, contains no solvents or offensive smell. AP non toxic. Conforms to ASTM D 4236. Can be screen printed or painted on with a brush.