Hahnemühle’s Photo Rag Paper (308 g/m²) is considered an absolute premium product in the art industry and is often used for large exhibitions. Each picture is printed using only high quality Epson UltraChrome K3 pigment inks. The paper is made from 100% cotton rag and has a rated opacity of 99% and a smooth surface structure. To ensure archival standards, the paper is calcium carbonate buffered and acid-free. These quality standards guarantee that you can enjoy your print for many decades to come.