SIZZIX-Pop "n Cuts 3D Magnetic Insert Die. Making pop-up cards is a snap when you use a Pop "n Cuts Insert Die! Designed to be used with a Pop "n Cuts Base Die (not included), each magnetic Insert simply slides into place and allows you to create impressive 3-D cards in just a few quick steps. Each die measures 4x6-5/8x1/2 inch and is compatible BIGkick, Big Shot, and Vagabond Machines (not included). Design: Butterfly Window (5-1/2x2-7/8 inches). Designer: Karen Burniston. Imported.