This 100% Cotton, Archival Paper has no Top Coat. Infusion Chemistry is throughout the sheet making it inkjet receptive and printable on both sides. Since there is no top coat, the look and feel of real paper is preserved in Red Tail. Also, since there is no top coat there is nothing to crack or flake or yellow over time. An excellent paper for fine art or photo books, red tail paper is 16 mil thick, 240 gsm, with a moderate, pleasing texture on both sides.