This two piece Craft die set, Window Trio 1 is designed by Galina Filippenko for Waffle Flower Crafts. This die set includes one die with three squares, one die with three circles, and all of the shapes with a row of stitching around the outside. These dies are compatible with leading die cutting machines (sold separately). These dies can be used for cards, shaker cards, scrapbook pages, and other paper crafting projects. The square windows measure 4.6875" x 1.5" and the window opening is 1.25" x 1.25". The circle windows measure 4.625" x 1.5" and the window opening measures 1.25" x 1.25".