This three piece thin metal die set, Shimmery Butterflies, is from Altenew. This die set coordinates with the Shimmery Butterflies die set and stencil (sold separately) and cuts out the foiled and colored butterflies. These dies are compatible with leading die cutting machines (sold separately). These dies can be used to create cards, scrapbook pages, tags, journals, and other paper crafting projects. The largest butterfly measures 1.5" x 2.25" and the smallest measures 1.43" x 1.93".