SIZZIX-Bigz Die by Tim Holtz Alterations. A Bigz die cleanly cuts thick materials including cardstock, chipboard, fabric, foam, magnets, leather, metallic foils, paper, and much more! Its wider size offers you more design options. Die measures 5-1/2x6x5/8 inches. For use with the BIGKick, Big Shot and Vagabond machines (not included). Design: Window & Window Box (3-1/2x3/4 to 3-1/4x4 inches). Designer: Tim Holtz.