Features: Readable: The patchwork ruler are provided with legible patterns and precise scale displays. The grid lines of the pattern ruler are black, this makes it easy to complete a precise project in perfection. High quality: Patchwork quilt ruler made of premium sturdy 3mm-thick acrylic, strong and transparent, cut for a cleaner edge that allows deeper, easier cutting. Non-slip surface holds fabric in place. Applications: for Ideal for all types of patchwork, quilting, sewing, pattern, quilters templates and crafts projects. the transparent material allows you to see the work you are doing through the ruler. Follow the easy-to-read markings: Squares for 2-1/2 inch cuts and stars for 1-1/2 inch cuts, no math required Cut five 2-1/2 or eight 1-1/2 inch strips without ever moving the ruler. Professional: Due to the extremely high accuracy given by the marks in centimeters, millimeters and angles, it can achieve a completely professional effect. The ruler slides smoothly to position it on the material to be cut or measured, and adheres perfectly when pressed. Specifications: Material: Acrylic Size: Approx. 255x203x3mm/10.04x7.99x0.12 inches Color: Transparent Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Quilting Ruler