Fullback acid free backing boards are the highest quality backing board available anywhere! Made from 100% acid-free, 42 mil thick cardboard to ensure extra rigidity and protection. Produced with a 3% alkaline buffer throughout and maintains ph of 8.0+ to further ensure the preservation of your collectible. Meets strict U.S. Government standards for archival storage
Polyethylene and Mylite comic book sleeves the perfect and economical way to protect your comics! Made from 100% virgin 3 mil. thick Polyethylene. Features fold-over flap that can be tucked in or taped closed.