Quality material: These new sewing machine seam guides are made of quality PP, which is wear resistant, sturdy, and not easily deformed. It can be used repeatedly for a long time Firm design: These sewing machine attachments feature a firm design that can be securely fixed in the appropriate location during your sewing process Easy to use: These hemmer guide comes with clear scale for your convenience, making sewing easier and more efficient Suitable size: These size of this hem guides are 6.7cmx4cmx1cm/2.64inchx1.57inchx0.39inch. It has a compact structure and lightweight design, making it easy to store and carry around Wide application: These edge guides are nice for use when sewing and can be used on denim, cotton cloth, polyester etc., making it a practical tool for sewing enthusiasts and beginners alike Specification: Material: PP Size Chart: 6.7cmx4cmx1cm/2.64inchx1.57inchx0.39inch Package Includes: 3 Seam Guides Note: Please allow slightly errors 1-2cm differences due to manual measurement.