With a distinctive texture reminiscent of traditional etching surfaces, this 25-sheet pack of 8.5 x 11" Museum Etching Paper from Hahnemuhle will add another level of nuance to your digital prints. It is made from a heavy 350 gsm 100% cotton rag base and offers a thickness of 23.6 mil for a final paper that offers a traditional fine art feel. Also, it has any opacity of 99%, a whiteness of 87%, and does not use an optical brightening agents. Additionally, the matte paper is acid free, calcium carbonate buffered, instant drying, and has a very high water resistance.