The BCW Resealable Comic Bags are an acid free, archival quality product made of crystal clear polypropylene. These bags have a reusable adhesive tape strip on the body of the bag so the collector can fold the top flap over and lock in the comic. Resealable for your current comic needs, these bags have a 2mm material thickness and a 1 1/2' flap for closure. Available in Current Age and Silver Age 100-packs.