Artists’ Quality Professional line of stretched Canvas from Winsor & Newton, 0.75 (19mm) deep, back-stapled, 13/16-inch profile stretched medium grain surface highest quality standards canvas. Made with heavyweight 11oz/375gsm primed 100% unbleached (natural) cotton duck. Ideal for all techniques, including heavier applications of colour, and can be used with oil, water-mixable oil, acrylic, and alkyd paints.