This 49 piece Thinlits die set, Postale, is designed by Tim Holtz for Sizzix. This folder features an envelope, signs, tags, numbers, and more. These Thinlits dies are chemically etched dies that are designed to cut, emboss, or stencil a single sheet of cardstock, paper, metallic foil, or vellum. These dies are compatible with leading die cutting machines (sold separately). These dies can be used to make cards, scrapbook pages, tags, journal and planner pages, and other paper crafting and mixed media projects. The largest die measures 7.37" x 4.87" and the smallest die measures 0.25" x 0.25".