This paper milk carton is approximately 5" x 2-1/2" x 2-1/2" when assembled. The file comes with the carton base, the heart cut coordinating mats, and the layered LOVE sentiment. The file is compatible with both the 8x12 and 12x12 mats. https://jamielanedesigns.blogspot.com/2019/01/3d-paper-milk-cartons.html