These clips are a great alternative to pins, especially when working with heavy weight fabrics, piles, and vinyls. The clips can hold layered sections of sewing projects such as handle connectors to handbags and piping without distortion. Wonder Clips can also hold quilt binding while sewing. These clips have a wide opening for holding multiple layers of fabric. They won't damage or distort the fabric. The clip base is flat for easy feeding to presser foot with 1/4" and 1/2" seam allowance markings on the base. Details:Available in multiple countsIncludes storage case