YLI Jeans Stitch Thread is a fine top stitch thread. It is consistently smooth without fuzz, and works equally well as a decorative serging thread. Used in the upper and lower looper, it produces a colorful look and durable stitch. It is also excellent for any topstitch application. It is a highly twisted, size 30 polyester thread that can be used for topstitching, bobbin work or other creative applications to create wonderful projects on your serger or sewing machine. It is machine washable, dry cleanable and colorfast. Jeans Stitch has recently gained popularity as a decorative quilt thread. 200 yds.