1 Pack of BCW Current Comic Book Backing Boards (Pack of 100) ... 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. Use this item along with current comic bags to protect and store your collectible comics. Certified Acid Free - Independent Lab Tested To store your beginning collection we recommend a specifically BCW designed album for comic books, and 20 archival quality 3 hole punched BCW heavy-duty polypropylene current comic book pages. Included is a crystal clear BCW Comic Book Topload Holder with Stand to display that one special comic book.