This gift box is approximately 5-3/4" x 2-1/2" x 2-3/4" and has the box base with shape cut-outs, the detail pieces for the cuts, and the box top which fits inside the box base. All the pieces are compatible with both the 8x12 and 12x12 mats. You can find more images and the full tutorial here: http://jamielanedesigns.blogspot.com/2016/10/halloween-gift-boxes.html