This photo album includes 20 sheets with 40 usable sides.The existing binding can hold up to 10 additional sheets without extra extension hardware, giving you more room for future photos and memories.Arrange 3x5, 4x6, 5x7, 6x8, and 8x10 photos without fixed-size pockets.Write dates, names, captions, or messages directly on the white page area with colored pens or permanent markers.Allow the ink to dry before replacing the film.Each inner page measures approximately 12.4 x 12.8 inches, with space for multiple smaller photos or one larger photo. Album dimensions: 13.2 x 13 x 1.6 inches.The clear film helps reduce contact with dust and provides light protection from minor splashes and everyday surface marks.