Stretchrite 1 1/4 Inch X 25 Yards White Drawcord Knit Elastic Spool. Drawcord elastic is perfect for sweat pants, swim shorts, sports wear, shortsor any other elastic waisted casual or sports fashions. Heavy stretch knit elastic is designed to be a bit stiffer and offer more "kick" to its stretch than other elastics. it offers a stiff, strong stretch and can be used on heavier fabrics.