The Epson Cold Press Natural Paper is an acid free, ph buffered, 100% cotton rag media with a natural textured matte finish. This paper has an extremely high color gamut and black density and is designed to deliver the best quality when used with Epson ink. Sheet/Roll Size: 8.5 x 11; Paper/Media Thickness (mil): 19 mil; Paper/Media Color(s): Natural; Color Family: White.