Singer 76015 Knit Non-Roll Elastic Blister Card, 1-Inch by 30-Inch, White Knit Non-roll elastic is firm, medium weight elastic 64 percent polyester, 21 percent rubber, 15% plastic monofilament This elastic can be used for waistbands, sleeves, necklines and legbands Each blister contains 30 Inch of elastic that is white in color and is 1 inch wide