Winsor & Newton-Stretched Canvas. A professional range of back- stapled and pre-stretched artist canvas manufactured to the highest quality standards. Heavier weight 8 oz. natural cotton duck with a medium grain surface. I deal for: oil, acrylic, and alkyd. Triple- coated with acid free sizing and two coats of highly pigmented acrylic primer formulated by Winsor & Newton. Stretched by hand for best tension and tailored corners with plenty of canvas on the back for restretching if desired. Professional frame construction with kiln dried and beveled stretcher bars: 13/16 inch. Canvas size: 12x12 inches. Color: White. This package contains one 12x12 inch canvas. Imported.