Cass Art Artists Cotton Canvas is made from high quality european spruce wood and 100% rayon cotton. Various sizes available, 1.9cm / 0.75 inches deep. Heavyweight canvas weighs at 335gsm / 11.8oz. Made from the highest-quality spruce wood and 100% pure cotton, this exhibition grade, europrean made, medium grain canvas has been produced for use with all forms of oil and acrylic colour, as well as many other mixed media applications. These canvas are also primed with three layers of gesso primer, FSC approved and acid free. They are sold in packs online but available individually in stores. Stocked in all our UK stores.