This clear quilting ruler is made of premium acrylic , making it sturdy , enduring , reliable , , and to breakage or deformation . They are designed for enduring and are ideal for sewing and quilting The quilting and sewing ruler set includes 3 rectangular rulers , 3 irregularly shaped rulers , and 1 circular ruler set with 4 connecting circles , suitable for various design and drawing needs The patchwork ruler is and portable , make them ideal for DIY enthusiasts , craftspeople , and anyone requiring precise movement The transparent design and clear inch markings on the circular sewing rulers allow for easy cutting simply by tracing the template (Note: Removal the protective film before use) This quilting ruler for beginner can used in many crafts such as patchwork , quilting , blanket making , and sewing projects , suitable for skilled seamstresses , beginner quilters , or DIY enthusiasts, Manufacturer: Akfldms