LIQUITEX-Gesso. This surface protector seals; stiffens and provides surface ‘tooth’ for painting surfaces. It is permanent; non- yellowing; flexible; and water resistant when dry. For use with oil; acrylic; pastels; and other paint media. Apply it to raw canvas; harboard; paper; wood; and other non-oily porous surfaces. Sand hard; shiny surfaces before applying. Can be tinted with acrylic colors but is not to be mixed with oil paints. This package contains 8oz/237mL of Gesso. Conforms to ASTM D4236. Imported.