Winsor Newton-Artists Quality Canvas Board. The medium grain surface of our canvas boards is ideal for all techniques including heavier applications of color. Stable and hand stretched for the right tension, the boards are triple coated with acid free sizing and two coats of highly pigmented primer giving tooth, adhesion and balanced absorbency, preventing the sinking of color. Especially useful for painting outdoors, canvas boards offer the same double- primed painting surface as stretched canvases. For use with oil, acrylic and alkyd colors (not included). This package contains one 8x16 inch canvas board. Conforms to ASTM D-4236. Imported.