This file comes with a gatefold base, three color mats, three invitation mats, a band wrap, and two square mats. The finished invitation is approximately 6-7/8" x 5". The main inside area is about 6-7/8" x 4-7/8" and the two sides are each about 6-7/8" x 2-5/8". The base and main area mats all come with holes to feed ribbon through. The file is compatible with both the 12x12 and 8x12 cutting mats. You can find additional images and a full tutorial on my blog: http://jamielanedesigns.blogspot.com/2013/10/decorative-gatefold-invitation.html