SINGER 70193 Non-Roll Woven Elastic, 2-1/2-Yard by 1-Inch, , Woven elastic is very strong and usually thicker than other elastics It does not narrow when stretched, nor does needle piercing weaken it so it can be used in casing or stitched directly to the fabric Each elastic hank is black in color and is 1 inch wide and 2 1/2 yards long