The BCW Golden Comic Bags are an acid free, archival quality product made of crystal clear polypropylene. The BCW Current Comic Backer Boards are made from a full 24 point solid bleached sulfate, coated on one side with a buffered with 3% calcium carbonate , and are precision cut to size. Boards are pre-loaded into the Bags. Boards are pre-loaded into the bags. Golden comics: 7 5/8 X 10 1/2 + 1 1/2″ flap. 10-Pack case ships in a Comic Short Box. 50 Premades per Pack.