Measuring Grid : Transparent acrylic curved corner quilting ruler with detailed grid lines and scale markings for precise cutting and measurement Unique Present : These sewing patchwork rulers are very practical and suitable for all skill levels , making them great as present for family and friends around you who love DIY and sewing Acrylic Material : Made of acrylic material , it has a sturdy structure that is not easy to break and damage , and can withstand repeated use in daily life . It is a great helper for you to measure sewing Multipurpose : With this sewing ruler , you can make rounded corners on carpets , placemats , tablecloths , and comforters , great for creating soft curves when sewing , making the sewing process easier without stopping and turning around every corner , and also making rounded corners on various crafts Package Contents : 3 acrylic curved corner quilting rulers , including corner template with 2 inch , 1.5 inch , 3 inch , 2.5 inch , 4 inch , 3.3 inch , 5 inch radius . A variety of curvatures to meet your diverse quilting projects, Manufacturer: Kuanght