Configuration: 50 bags + boards per pack.
The BCW Silver Age Comic Bags are an acid free, archival quality productmade of crystal clear polypropylene. The BCW Silver Age Comic Backer Boards are made from a full 24 point solid bleached sulfate, coated on oneside with a buffered with 3% calcium carbonate, and are precision cut to size.Boards are pre-loaded into the BagsBags are 2 mil material thicknessSilver Age: 7 X 10 1/21 1/2 inch flap for closureResealable strip attached to the back-side of the comic bag - Not the flapCrystal clearBoards are Coated on one sideBuffered with 3% calcium carbonateProtect comics while handling