Die UCD1964 - Slim 3 Window Die 1 die included in the set. Approximately 3 1/2" x 8 1/4". Windows approximately 2 1/4" x 2 3/4"  Uniquely Creative dies are perfect for scrapbooking and card making. They are compatible with most die cutting machines. They are made with high quality metal to provide a clean cut. Some intricate designs may require a metal shim.