Paramount 3/4 Inch Prestretched Double Primed Artist Canvas 100% Cotton BULK Value Pack [Qty 20] - 16"x20" The solid wood stretcher bars have a full outer lip and the stretching is tight, to provide excellent "bounce back" at each stroke Double-primed with acid-free titanium white acrylic gesso primer. 11oz., unbleached, 100% cotton canvas Medium tooth surface with 4 paintable edges Back stapled (keys included) Oil, alkyds and acrylic paints