Each Pioneer STC-204 3-Ring Photo Album has clear 3-up side-loading plastic pockets with a white paper background. 3-ring binder with 1-1/2 rings. Holds three 4x6 photos per page. Initial capacity is 204 photos. Will accept up to 8 extra refill packs (40 sheets, 240 photos). Album dimensions are 8-3/8 x 13-3/8. Available in solid colors and designer covers. Pioneer photo albums are archival, acid free, photo safe.