In addition to its use as a stencil, this 4x9 inch alignment tool is ideal for use with the Hero Arts Looking Glass collection of products, providing three evenly spaced 2.25 inch square openings for use in positioning the dies. For use with Looking Glass dies: Position alignment tool on your card. Place the die in the opening and temporarily tape down to keep in place. Remove alignment tool from card. Run the card through your favorite die-cutting machine. Hero Arts stencils are made of thick frosted mylar with premium laser-cut images. Use a paintbrush, ink pad, dauber, or spray to leave a stylish impression. Perfect for combining with Hero Arts stamps, papers, and inks. Stencil measures 6.25x6.25 inches.