62" x 6 yds. Titanium acrylic gesso triple primed. Archival quality with acid-free sizing. Premium quality, medium-weight and texture, natural, double filled, unbleached artist canvas. Ideal for most painting projects. Excellent base for painting with oils, acrylics or alkyds. 100% cotton. "Fill" refers to the horizontal yarns or those running perpendicular to the selvedge of the fabric. Double Fill means there are two threads to the yarn.