Sizzix Tunnel Arches Framelits Dies, designed by Eileen Hull, are perfect for adding dimension and depth to your projects. This set includes 7 wafer-thin, chemically etched dies that create layered arch designs, ideal for building tunnel effects, intricate frames, or even decorative rainbow shapes. Die sizes range from approximately 3.625 x 5 inches to 0.875 x 2.125 inches, making them versatile for cardmaking, scrapbooking, journaling, and mixed media projects.