COTOWIN 3/8-inch White Braided Polyester Elastic Roll (100 Yards) Braided elastic is the most versatile version of elastic and can be used for waistbands, sleeves, necklines, legbands and any other area that requires stretch ability Wide 3/8 inch,100 Yards in Length Flat elastic Color:white 70 -Percent polyester, 30-percent rubber