Square plastic sewing and patchwork ruler designed for accurate, safe, and easy fabric measurement. Key benefits Clear, easytoread measurement markings for precise cloth measurement and pattern layout. Hollow (cutout) design lets you mark and measure around curves and seams without lifting the ruler repeatedly. Smooth, burr edges protect your hands and prevent snags on fabric. Durable plastic construction that is easy to wash, quick to dry, and simple to store. Square shape and straightforward operation make it friendly for beginners and practical for experienced sewists. Function and compatibility Purposebuilt for fabric measurement, stitching layout, patchwork and quilting, pattern drafting, and garment alterations. Compatible with a wide range of fabrics and common sewing tools; use with pencils, fabric markers, and rotary cutters for layout and cutting guidance. Lightweight and compact for easy handling and storage in a sewing kit or project bag. Performance and care Printed graduations remain easy to read during repeated use. Plastic material resists water and common sewingroom spills; wipe clean or rinse and air dry. Smooth surface and edges reduce wear on fabric and minimize the risk of hand irritation. Use scenarios Quilting and patchwork: align blocks, measure seam allowances, and mark stitching lines with the hollow cutouts. Dressmaking and alterations: measure hems, mark darts and pleats, and square pattern pieces quickly and accurately. Small projects and repairs: use the square ruler to check right angles, measure trim placement, and guide precise cuts. What makes this ruler stand out Combines a simple square format with a hollow design and visibility markings for accurate, safe, and efficient fabric work. Designed to be lowmaintenance and beginnerfriendly while meeting the needs of hobbyists and professional sewists alike.