1000 Ct. Silver Comic Book Poly Bags (7 1/8 X 10 1/2 + 1 1/2 Inch Flap) 1000 Silver Age Comic Book Bags - 10 Packs of 100 bags each Crystal clear Polypropylene - Acid Free Protect comics while handling Use with BCW Silver Backing Boards Exterior Dimensions: 7 1/8 x 10 1/2 1 1/2 inch flap for closure