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 two dies. Design: Bird (measuring between 2-7/8x1-1/2 inches and 3x4-1/8 inches). Designer: Sharyn Sowell. Imported.