The 9 x 12" Art Profolio Evolution Presentation & Display Book from Itoya has a moisture and dust-resistant polypropylene cover with nylon stitching. Inside the album, there are 24 top-loading, pH neutral polypropylene pages, which are ideal for displaying photographs and digital prints, with an acid-free black mounting paper inside each page. Furthermore, every archival and lignin-free page holds a single image on each side, for a total of 48 photographs.