This Valentine Box is so much fun! The actual box is approximately 5" x 4-3/4" x 2-3/8" with a 4-1/8" x 3/4" slot. The box comes in two pieces and is compatible with both the 8x12 and 12x12 mats. If you own the Cameo, the box can be made larger also! You can find additional photos and a full tutorial on my blog here: http://jamielanedesigns.blogspot.com/2015/01/3d-valentine-boxes.html