Bulk Pack Pioneer MPR Refill 100 Pages/50 Sheets for MP-300 Photo Album (Holds 600 Photos) Optically clear top-loading pockets hold 6 3-1/2x5 photos per page White mesh page background with memo area 2 holes spaced 8" apart, Page dimensions: 12-1/2" x 12-3/4" Acid free, archival, photo safe 100 Pages (50 Sheets), Bulk Packaging