A high quality, shrink-resistant material that stretches easily and resumes its original shape and length over and over. The most versatile version of elastic that can be used. Insert into casing or stitch directly on fabric. Use with light to medium-weight fabrics. Polyester/Rubber blend. Excellent for use in swimwear, sports apparel, and wash and wear garments. Use for waistbands, sleeves, necklines and leg bands. Machine wash and dry. Polyester/Rubber blend.