The base for this mini page book was made using 1 12x12 sheet of card stock. . Used Graphic 45 Boardwalk and Perfect Gentleman Papers. This mini book style was designed by Dawn S. and her how to YouTube video can be seen at: http://www.youtube.com/watch?v=czu41mN0_1A&feature=plcp Once I made a couple I was addicted. It's amazing how much page space there is in the book. They measure approximately 5-3/4 x 4-1/8 when closed.