Blue Label Ultra smooth Stretched canvas [Set of 6] Size: 24" H x 30" W Made of superior quality&#44; medium weight blended PolyFlax/cotton duck with fine texture for use with Ideal for portraits and other fine detail work. It is triple primed with acid-free acrylic gesso. The canvas is stapled onto the back of standard stretcher bars (11/16 x 1 9/16). Paint on all four edges and hang it with or without a frame.