This nine piece Thinlits Die set, Lace Envelope, is designed by Lisa Jones for Sizzix. This die set cuts out lace inserts for envelopes in two different designs. There are also elements that you can add to the envelopes or inserts. These dies fit perfectly with the Sizzix Cards and Envelopes sets. These Thinlits dies are compatible with leading die cutting machines. These wafer-thin chemically etched dies are designed to cut, emboss, or stencil a single sheet of paper, cardstock, vellum, or metallic foil. The largest die measures 5.5" x 5.875" and the smallest die measures 0.75" x 0.625".