Exact Measurement Markings: Features clear centimeter and inch markings for accurate fabric cutting and seam alignment, reducing errors and saving materials, perfect for sewing enthusiasts and experienced users Construction: Made from strong polycarbonate substance, this sewing ruler stays firm when exposed to ironing heat without bending or weakening, offering better heat execution than standard measuring tools for consistent use Multi Purpose Alignment Tool: The unique border helps position needlework correctly for different pattern styles, enhancing sewing efficiency for creative projects and clothing makers Easy Cleaning: even can be quickly wiped clean with a damp cloth, pressing marks easily for simple maintenance in busy homes or workspaces Portable & Space Saving: Compact 4 by 12 size allows easy storage in sewing cases or bags, ideal for on the go use during travel or workshops