Our photo sleeve packs fit all of our 12" x 12" photo and scrapbook albums, including the baby memory album. They come with 10 high-quality, archival photo sleeves and a set of three screw extenders. Each sleeve holds 12 (back-to-back) 4" x 6" horizontal photos. Photo sleeves are 12" x 12" and fit into most standard 12" x 12" albums in the industry.