SPEEDBALL ART PRODUCTS-Fabric And Paper Block Printing Ink. This unique oil-based ink is excellent on paper, cotton, and polyester blend fabrics. It cleans up easily with soap and water when wet and dries to a permanent state that can be machine laundered once cured. Each package contains six 1.25 fl.oz. tube of block printing ink (red, blue, yellow, green, black, and white). Conforms to ASTM D4236. Made in USA.