Great holding capacity for many crafts with a wide opening, guide scale and flat back. In an assortment of colors. 10pcs per package. Features Clip opens wide to hold layers of fabrics Clip base is flat for easy feeding to the presser foot Seam allowance markings of 1/4″ (7mm) and 1/2″ (12 mm) Benefits Great alternative to pins, especially when working with vinyls, piles and heavy weight fabrics Holds layered sections of sewing projects such as, handle connectors to handbags, piping, etc. without distortion Holds quilt binding while sewing Easy to see on your work and easy to find when dropped Works well with sergers Caution: Remove the clips before feeding the fabric under the presser foot. Materials: Policarbonate, Stainless Steel