The 8-mil polypropylene 25-pack of A5-4P Photo Pages from Print File has two pockets per page that holds four 5 x 8" prints back-to-back and are easily visible because of its optically clear plastic. The top-loading pages are of archival quality with no PVC and have passed the Photographic Activity Test (PAT). The photo pages do not fit standard binders but will fit the ARC-G Extra Tall Archival Album, the ALB-GB Extra Tall Buckram Album as well as the OB-1, Oversized, and Box Binders.