19 mil. 100 percent cotton fibre paper with an exceptionally bright OBA-free, smooth matte finish. With an outstanding black density, this paper is ideal for all types of high-end printmaking.Designed in collaboration with many of the world's greatest artists, these unique papers were developed for those who intend to exhibit and sell their prints, both to art collectors and investors. Working closely with revered European papermakers, galleries and chemical engineers to develop the finest papers available, the Epson Legacy Paper line produces outstanding black density and color fidelity, along with exceptional archival properties required for collectible works of fine art.