E. Gerber Full Backs

E. Gerber 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.