You get 100 BCW Golden Age 2-Mil Comic Mylars and 100 BCW Acid-Free Golden Age Backer boards with this deal. 100 BCW Golden 2-Mil Comic Mylars + 100 Acid Free Backer Boards. These 2 mil Comic Book Bags are made of Archival Polyester(Mylar) an inert material of the highest clarity.
