Heavy-weight cotton canvas stretched around kiln-dried pine stretcher bars. Back-stapled with folded, uncut corners. Balanced double weave creates an even stretch. The surface is primed with acid-free acrylic titanium gesso. Canvas weight is 12 oz. before priming and 15 oz. after. Available in two profile depths: Studio canvases are 3/4" deep and Gallery canvases are 1-1/2" deep. Suitable for use with oil, acrylic, alkyds or other painting mediums. Great for heavy paint applications.