Versatile Design for Seam Allowances: Seam circles is a toolset featuring interlocking wooden circles that easy to add or subtract seam and hem allowances on any sewing pattern. Perfect for tailoring your designs with precision Easy to Use & Highly Customizable: Simply align the edge of the circle with your pattern line. You can roll along a ruler, push with your hand, or guide with a finger for effortless marking. Need a larger allowance? Just draw one line and use it as a guide to add another Ideal for a Variety of Sewing & Quilting Projects: Perfect for adding seam allowances to self-drafted patterns, drafting facings, removing seam allowances, marking top-stitching lines, and even creating quilting lines. Seam Circles is a multipurpose tool for beginners and seasoned sewers alike Precision Marking for Crafting: Seam Circles can also be used to mark pad stitching lines, draw rounded corners, and more, making it a versatile addition to any sewing or quilting toolkit. Achieve clean, consistent lines effortlessly with this innovative circle template set Colour: As Shown Material:Wood sytle: cm style(0.5 cm to 3 cm) Package Contents: 1 * 1 set * wooden rings 1 * cardboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.