Die-Versions - HAPPY BIRTHDAY Sweet Hearts Die 2 1/2" x 2 1/2" (64mm x 64mm.) Whispers die cuts may require additional shimming for best results. This die is American made & is designed to be compatible with Big Shot, Big Shot Pro, BigKick, Vagabond, Wizard, Grand Calibur, Revolution, Epic Six, Cuttlebug and Zip-e-Mate. Made in the USA with US materials. Made from American Super Hardened Tool Steel. These dies are 100% lead free.