For photographers who want a flat matte surface, Epson Ultra Premium Presentation Paper Matte is a great choice with its bright whites and ability to preserve shadow detail. The alpha cellulose paper features a heavy basis weight of 192 gsm along with a thickness of 10.3 mil. Also, it has a high rated brightness of 104% that helps highlights look their best.
This paper is available here as a 50-pack of 17 x 22″ sheets.