The Ardell Brow Perfection Stencils are a set of four pre-cut, reusable plastic stencils that help users quickly and easily shape their eyebrows. They come in four different styles—Elegant, Classic, Glamorous, and Delicate—to match various face types and desired looks. To use them, you hold a stencil against your brow, align it, and then fill in the opening with a brow product like a pencil or powder to create a precise and natural-looking brow