Sizzix-Thinlits: Dies. Thinlit dies offer a variety of affordable solo options or multi die options. Thinlits are easy to use and are compact and portable. Compatible with most die-cutting machines (not included). This package contains four dies. Design: Large Poppy (measuring between 1-1/4x1-1/4 inches and 4-1/8x5 inches). Designer: Brenda Walton. Imported.