Acid-Free, archival safe polypropylene pages. No PVC Matte black front and back cover Elastic band closure Contains 20 premium double-sided pages Side-loading, 9-pocket pages Great for sports cards, trading cards, and gaming cards The BCW Pro-Folio will accommodate 360 cards and features side-loading pockets to prevent the cards from sliding out of place. Our premium, double-sided, archival safe polypropylene pages will not harm the cards stored within and offer an attractive method to protect, store, and display your collectibles.