Iridescent quilting ruler, 4.5 in square

4.5 inch square iridescent quilting ruler. Markings are every 1/8 inch, with a diagonal line at 45 degrees for easy half square triangle trimming. Laser cut and engraved from 1/8 inch acrylic. The markings are engraved so they'll never rub off. Non-slip dots available on request.