This two piece thin metal die set, Envelope Set 1, is from Paper Rose. This die set features a cute small foldable envelope with a small heart on one of the flaps that can be used on cards and other projects, along with the label with the phrase "with love". These dies are compatible with leading die cutting machines (sold separately). Due to the intricate design, a metal shim (sold separately) may be required. These dies can be used on cards, scrapbook pages, tags, journal and planner pages, and other paper crafting and mixed media projects. The closed envelope measures 3.03" x 2.05".