With its stylish nylon stitching and value price, the Art Profolio Evolution from ITOYA is the next big thing in art and document storage!The book features a durable polypropylene cover; crystal-clear, top-loading pocket sheets that resist moisture and dust; and quality crafted, thick-gaguge, black mounting paper.The Art Profolio Evolution is completely acid-free and PH-neutral. It's archival safe for all your storage needs, from artwork to photgraphy and film.The display book is available in a variety of sizes. All sizes come with 24 sleeves (48 views). Sold as PACK OF 2.