This basket is approximately 5-1/4" x 3-1/2" (6-3/4" with handle) x 1-3/4". The file comes with a 2-piece box base, two handle panels, two side panels, and the pieces for the paper bow.  The files are compatible with both the 8x12 and 12x12 mats.  

https://jamielanedesigns.blogspot.com/2019/04/3d-basket-with-bow.html