These bag toppers are sized to fit Sandwich sized zip bags measuring approximately 6-1/2" x 2-1/2" in size when folded and they are compatible with both the 8x12 and 12x12 bags. The files come with all the paper elements shown and all of the elements can be used separately as well. You can find additional images and a full tutorial on my blog on|after 10-21-14: http://jamielanedesigns.blogspot.com/2014/10/holiday-bag-toppers.html