Print File Preservers for 12 3.5x3.5-Inch Prints, Pack of 25The 33 12P Archival Storage Page for 12 Prints from Print File, available in a pack of 25, holds your square format and Instagram prints, as well as old 3. 5 x 3. 5" family photos. A single page accommodates twelve 3. 5 x 3. 5" prints, six on each side, and is made from clear, archival quality, high clarity 8 mil polypropylene. Safe for long term storage, the pages are P. A. T tested and approved