Opus Exhibition Slim Canvases are back-wrapped and stapled for a clean presentation for display without framing. This Canadian-made canvas is 100% pure cotton stretched on ¾" deep basswood stretcher bars. It features 7 oz (237 gsm) canvas, primed to a finished weight of 10oz (328–385GSM). Shrink wrapping ensures a clean canvas for your next creation. Available in Slim & Deep profiles.