This six piece Framelits Dies with Clear Acrylic Stamps Set, Birthday Window, is designed by Olivia Rose for Sizzix. This set includes one die that measures 4" x 4" with the word HAPPY and five stamps that coordinate with the die. This die is compatible with leading die cutting machines. This die is a chemically etched craft die designed to cut a single sheet of cardstock, paper, metallic foil, or vellum. This die can also be used as a stencil for layering to produce a 3D effect. The clear acrylic stamps adhere to acrylic blocks and can be used with your favorite inks, markers, embossing powders, and other crafting mediums. These stamps and die can be used to make cards, scrapbook pages, tags, journal and planner pages, and other paper crafting and mixed media projects.