So small! So cute! And iridescent! Set of 3 mini square quilting rulers, in 1-1/2", 2-1/2", 3-1/2" square. On a handy detachable ring. Markings are every 1/8 inch, with a diagonal line at 45 degrees for easy half square triangle trimming. This is a great size for trimming quilt binding! Laser cut and engraved from 1/8 inch acrylic. The markings are engraved so they'll never rub off. Non-slip dots provided with every ruler.