Singer 73945 Braided Soft Stretch Baby Elastic Blister Card, 1/4-Inch by 3-Yard, White Braided soft stretch baby elastic is not suitable for swimwear 60 percent polyester, 40 percent rubber This elastic can be used for waistbands, sleeves, necklines and legbands; Just insert into casing or sew directly to wrong side of fabric Each blister contains 3 yards of elastic that is white in color and is 1/4 inch wide