Singer 75064 Woven Polyester Underwear and PJ Waistband Elastic Blister Card, 3/4-Inch by 1-1/4-Yard, White Woven polyester elastic is soft stretch & texture are comfortable to wear against skin 59 percent polyester, 9 percent rubber, 32% spun polyester This elastic can be used for waistbands in pajamas and underwear; Just insert into casing or sew directly to wrong side of fabric Each blister contains 1-1/4 yard of elastic that is white in color and is 3/4 inch wide Easy to find sewing help website: easysewingrepairs com