62" x 6 yds. Titanium acrylic gesso primed. Archival quality with acid-free sizing. Heavy-weight, premium quality, all-purpose texture, double filled. This very popular uniform weave is a great choice for a wide variety of 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.