Hahnemuhle Photo Rag Baryta 315 paper is a 100% cotton based paper using Barium Sulphate (Baryta) to give the paper a natural whiteness. With a subtle texture and a glossy type surface it has a delicate feel while producing truly amazing results. Photo Rag Baryta is acid and lignin free and meets the most exacting As it is a premium weight paper, we would recommend using the straight through print path found on most Epson desktop printers.