Itoya Art Profolio Original 5 x 7" 24 Page Storage/Display Book (Black, 3-pack) Completely acid-free through its polyproplyene, PVC-free construction and quality crafted, black acid free mounting paper provided in each page Archival safe for all your storage needs Great for storing photos and films of all sizes Top loading, clear polyproplyene sheets will not stick to copier toner Thick gauge and acid free black mounting paper