Featuring Itoya crystal-clear PolyGlass pocket sheets used in all Art Profolio Professional books, the Art Profolio Advantage sports a fresh contemporary look for the ultimate understatement in presentation and storage. Using a special polypropylene material, the Art Profolio Advantage incorporates a rigid, yet lightweight black poly cover for added durability with easy-to-carry mobility. The Advantage, fashioned with a muted texture cover surface, features a multi-fold spine that lies completely flat to ensure that your photos and artwork are the stars of your presentation. They are fastened solidly to the cover with black anodized metal rivets. Containing 24 PolyGlass sheets for 48 inserts. Acid-free and PVC-free with acid-free mounting paper.