Bulk Pack Pioneer 46-MP Refill 50 Pages/25 Sheets 46MP for MP-46 Photo Album - Refills hold 300 4" x 6" Photos Optically clear top-loading pockets hold 6 4x6 photos per page Shaded paper page background with memo area 2 holes spaced 8" apart, Page dimensions: 14" x 14" Acid free, archival, photo safe 50 Pages (25 Sheets), Bulk Packaging