This six piece Thinlits Plus Geo Heart Box die set is designed by Kathrin Breen for Sizzix. This die set helps you make a 3D heart-shaped gift box that looks faceted like a diamond along with a die filled with 18 small hearts. This die set is compatible with leading die cutting machines (sold separately). These wafer-thin chemically etched dies are designed to cut, emboss, or stencil a single sheet of cardstock, paper, vellum, or foil. The assembled design measures 4.125" x 4.625" x 1.375.