MATERIAL - The quilting ruler is made of acrylic, sturdy and thick, and not easy to break. Having long-lasting durability. Produced with professional craftsmanship, the ruler's edges are neatly cut and smooth without scratching your hands. CLEAR SCALE - Each acrylic sewing ruler comes with a clearly printed scale for accurate measurements. Bright blue lines and black colour allow you to read it easily. The rulers come with hanging holes for hanging storage when not in use. 4 SIZES - Package contains 12.5 inches, 9.5 inches, 6 inches, 4.5 inches, 4 sizes of square quilting rulers. 1 piece for each size. Multiple sizes are included, allowing you to choose the right size when working on different projects. WIDE RANGE OF APPLICATIONS - These square patchwork rulers are suitable for quilting, measuring, sewing, drafting and more. Can be used with a rotary cutter. Whether you are a professional tailor, craftsman, or craft hobbyist, they are applicable., Manufacturer: UNGFEI