A terrific economical option for lighter paint applications, quick studies, practice and classroom or high volume use. Unbleached, 4 oz. cotton is primed with acid-free acrylic titanium gesso to a finished weight of 8 oz. Stretched around and back-stapled to 5/8" deep, kiln-dried, solid pine stretcher bars. Suitable for use with all acrylic paints, oil paints and other wet or dry media. 2 per package, each measures 16x20".