Our 12 X 12 We R Memory Keepers classic leather albums have the snag free interlocking D ring binding system for easy removal and organization of it's pages. They also have several different styles of sleeves that include 12X12 sleeves, 6-4X6 (vertical and horizontal) sleeves & 9-4X4 sleeves. Giving you limitless options for your scrapbook pages. They come in a variety of colors.