Make no bones about it, you're going to have a great time creating with the Who Let the Dogs Out Cutting Dies by Heffy Doodle! The set includes 14 thin metal dies that coordinate with the Who Let the Dogs Out stamps and are compatible with most die cutting machines (sold separately). The dies are in the shapes of dogs, a fence, pawprints, a dog house, and more. The largest die in the set measures 1.5" x 1.5" and the smallest measures .25" x .25".