Keadic 31Pcs 4 Size Acrylic Quilting Ruler Set with A4 Self Healing Cutting Mat and Non Slip Rings, Clear Square Quilt Rulers, Fabric Cutting Ruler with Double-Colored Grid Lines for Sewing Crafts Template Product Dimension: 1)Quilting Patchwork Rulers: 4.5" x 4.5"/11.43 x 11.43 cm; 6" x 6"/15.24 x 15.24 cm; 9.5" x 9.5"/24.13 x 24.13 cm; 12.5" x 12.5"/31.75 x 31.75 cm 2)A4 Self Healing Cutting Mat: 9" x 12"/22 x 29.7 cm 3)Sewing Clips: 1.06"/2.7 cm Product Feature: Easy to Read: The quilting rulers are printed with clear and large number make you easy to use. High transparency and reference lines at different angles, so you can use the ruler on both light and dark colored cloth pieces. Smart Design: The acrylic sewing ruler features hanging holes so you can easily store the set, helping to keep your workbench tidy and less easy to lose.