Made with 1/4in thick acrylic. Hand-sized is the perfect size when it comes to machine quilting tools. Designed by machine quilting teacher and author, Angela Walters, Shorty is just the right size to get the job done. Features- Creative Grids grip prevents slipping Black and White dashed guide lines are visible on all fabric colors Palm-sized tool allows maximum control, preventing broken needles and crooked lines Curved edges create versatile designs Needle stop notches ensure you stop in the right place Use it for: straight-line quilting; concentric squares; border designs; stitching in the ditch; geometric quilting and more! It is 1/4 inch thick so it works for domestic as well as longarm machines. View a video demonstration. Total Size - 4in x 4-1/2in