LIQUITEX-Modeling Paste. A matte; opaque preparation of marble dust and polymer emulsion; this medium dries slowly to a very hard surface. It is permanent; non-yellowing; and water resistant when dry. Mix it with any acrylic color; or after dry apply paint to the surface. This paste can be carved and sanded but will crack if applied to a flexible surface. Not for use with oil paints. This package contains 8oz/237mL of Modeling Paste.