Dritz 9518-Berry Knit Elastic, Berry, 3-Yard by 1-Inch Polyester 78%; Rubber 22% This knit elastic is a soft and comfortable elastic that is curl resistant and will not narrow when stretched Made of 78-percent polyester and 22-percent rubber Machine washable and dryable in temperatures up to 200-degree fahrenheit Available in berry color Measures 108-inch length by 1-inch width