Singer 77931 Woven Polyester Flat Non-Roll Waistband Elastic Blister Card, 1-Inch by 1-Yard, Black Woven polyester flat non-roll waistband elastic is firm, medium weight elastic which resists rolling or twisting 72 percent polyester, 28 percent rubber This elastic can be used for waistbands in skirts, slacks, shorts and pants Each blister contains 1 yard of elastic that is black in color and is 1 inch wide Easy to find sewing help website: easysewingrepairs com