Singer - 3/8" x 2 YD Black Braided Elastic.
Braided elastic is the most versatile available. It is suitable for waistbands, sleeves, necklines, leg bands and more. It is shrink-resistant and unaffected by chlorine and salt water. Braided elastic is often inserted into a casing but is also suitable for stitching directly to the fabric. Polyester/rubber blend.