his accordion holder holds multiple 4x6 photos or even A2 cards and envelopes! The completed file (as sized) come at approximately 6-1/2" x 4-1/4" x 3". The file has the base pieces, five inserts which help form the six divided areas, and a band to hold it all. All pieces are compatible with both the 8x12 and 12x12 mats. You can find additional images and a full tutorial on my blog: http://jamielanedesigns.blogspot.com/2014/08/accordion-organizers.html