Museo II is the new 2-sided version of the world’s finest acid free fine art inkjet paper. Museo II is made from 100% cotton fibers (the purest source of cellulose) and is buffered with calcium carbonate to prevent environmental acidification (yellowing). All Museo II papers meet the demanding needs of the finest image makers, galleries and museums. Two sided paper is perfect as digital album pages, digital scrapbooking, fine art printmaking and for artist or photographer’s portfolios. Best used in straight path printers. The 365 GSM weight (sub weight 97lb.) is available in 3 sizes – 8.5 x 11, 13 x 19, 17 x 22 inches. Packed 25 sheets per box.