Dritz Knit Elastic is a soft and comfortable elastic that is curl resistant and will not narrow when stretched. It can be inserted into a casting or stitched directly to the wrong side of your fabric. Great for swimwear, waistbands and leg bands. Machine washable and dryable in temperatures up to 200 degrees F. 1/4 inch x 8 yard. Hank White. 67% polyester and 33% rubber.