Premade® Resealable Silver Comic Bag and BoardThe BCW Silver Age Comic Bags are an acid free, archival quality product made of crystal clear polypropylene. The BCW Silver Age 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 10 Pack case ships in a Comic Short Box Resealable strip on back of bag Silver Age: 7 1 8 X 10 1 2 50 Premades per Pack