This set of stitched scalloped hearts contains thin metal dies that are compatible with most leading die cutting machines (sold separately). This set comes with 5 different sized hearts, all with stitching and scalloping. They are designed to create layers and matting. They can be used with shaker tags and cards, on scrapbooks, as embellishments, as window cards, or as frames. They will work well with cardstock, papers, foils, vellums, and more, and are designed not only to cut but to emboss and can also be used as stencils.