3/8″ wide stretch piping great trim to finish necklines, sleeves, lots of options. When using for neckline, omit facings. Easy to apply using an open toe foot. Lengthen stitch length slightly. Stretch the trim slighty when stitching to garment, trim excess fabric to stitching. Turn piping to the right side moving needle position to the enter edge sewing on the stretch piping to topstitch in place.