Coats-Eloflex Stretch Thread in Peggable Box. An innovative thread that allows you to sew elastic seams using a normal lock stitch on a conventional sewing machine with Eloflex as the top thread and in the bobbin. Perfect for leotards, gym clothing, cosplay, swimwear, knit sportswear and stretch denim. Colorfast even with chlorine bleach. Each 225 yard spool comes in a peggable box for easy display. Available in a variety of colors. Each sold separately. Imported.