$11.95Wonder Clips are a great alternative to pins, especially when working with heavy weight fabrics, piles and vinyls. They can hold layered sections of sewing projects such as handle connectors to handbags and piping with distortion. They hold quilt binding while sewing and they're easy to see and and find when dropped on the floor. 1/4 inch and 1/2 inch seam allowance marking are on the base of each clip. Clip base is flat for easy feeding to presser foot.