This four piece Stamping Foam set, Circle Cut, is designed by Simon Hurley create. for Ranger Ink. This foam set features two circles and two negative pieces of foam. These pieces of foam are moldable and you can create your own stamps with this foam. To use this foam, heat the foam with your heat gun (sold separately), then press it into a textured surface and hold it in place for 5 to 10 seconds. Ink up the foam and stamp your project. This foam can be reheated and remolded to use over and over again. The rectangle foam pieces measure 4.5" x 5.75" with a removable circle that measures 3.5" in diameter. The foam rectangles and the circles have a 20 mm depth. These pieces can be used to make cards, scrapbook pages, tags, journal and planner pages, art journals, and other paper crafting and mixed media projects.