DescriptionIf you are looking for aseam allowance rulerwith reliable design and reasonable price, I will tell you that our ruler will be your best choice. We adopt acrylicmaterial, so you can keep it for a long time. It will be a nice sewing helper for you.Features- Material: Acrylic. -The seam ruler can help you quickly and accurately create a long and straight hemline to meet your various sewing needs.-A good helper to get the correct seam size, it's convenient to use.- Compared with a separate needle plate mark, it can help you create a more accurate seam allowance.- Made of sturdy materials, durable and safe for a long time use.- It can be used at any time without tools or screws needed.