100 percent archival safe, acid free and no PVC. Made from Ultra Clear Polypropylene.
100 Ultra PRO Magazine Size Resealable Comic Storage Bags New Archival Sleeves
Ultra Pro Magazine Size Bags 97 Acid Free Bags 8 3/4" X 11" NEW Storage
Ultra Pro Magazine Size Bags 100 Acid Free Multicolored
100 Ultra PRO Magazine Size Comic Backing Boards Rigid 24pt 215mm 280mm