4 piece dieSizes: Outer background die: 4" x 4"Large embroidery die: 3 6/8" x 3 6/8" inside frame measures 2 1/8" x 2 6/8" Oval frame: 1 7/8" x 2 3/8"Oval embroidery die: 1 5/8" x 2 2/8"With the embroidery die you run the die through your die cutting machine for cutting and pricking the embroidery pattern and again for embossing with an embossing mat.