The Slimline Alignment Tool Stencil from Hero Arts is made from thick frosted mylar and has been designed to allow three evenly placed 2.25in square openings for use in positioning the dies.The 4in x 9in Stencil is ideal for use with the Looking Glass Dies. Simply position alignment tool on your chosen card base, place your looking glass die in opening and temporarily tape down to keep in place, remove alignment tool from the card and run through your die cutting machine.Features & Benefits Includes 1 Alignment Stencil Made from thick frosted mylar Designed for use with Looking Glass Dies Specification Size: 4in x 9in