UltraSmooth Fine Art Paper is perhaps the finest paper Epson produces, making it one of the best ink jet papers on the market. This 100% cotton rag paper has maximum durability and is not only acid, lignin and chlorine free but features a pH buffer with calcium carbonite for the ultimate in archivability. The natural white surface of this fine art matte paper is coated on both sides, allowing for double-sided printing, making it ideal for portfolios or presentations. And unlike many papers, the Ultrasmooth Fine Art has no optical brightening agents to interfere with the presentation of your photographs. This hot-press fine art paper features a flat, ultra smooth finish designed for razor sharp detail and accurate color reproduction. Its outstanding D-Max provides exceptional contrast in your black-and-white photos and it is optimized for Epson Ultrachrome K3 inks. With an archival light-fastness rating over 100 years, you can count on the Epson Ultrasmooth Fine Art.