The only storage/display book of its kind! Accept no imitations! The original Itoya Art Profolio is a completely acid-free through its polypropylene, PVC-free construction and quality crafted, black acid-free mounting paper provided in each page. Archival safe for all your art storage needs. Great for storing photographs and film of all sizes. Top-loading, clear polypropylene sheets will not stick to copier toner and is also ideal for storing a vast array of artwork and memory projects.