This 2 piece die set is part of the Essentials Collection from Pinkfresh Studio. This Stitched Scalloped Circle die set is going to give you limitless possibilities for standard and slimline cards, not to mention scrapbook pages, journal pages, photo albums, tags, and more. These dies are compatible with leading die cutting machines (sold separately). The large circle die measures 4" x 4" and the small circle die measures 3" x 3".