This ribbed non-roll elastic are the strongest available elastic for waistband. Made of 79 percent polyester and 21 percent rubber. The added ribbed structures provide maximum strength to prevent the elastic from curling and rolling. They are used in a variety of applications including waist bands in shorts, skirts, pants, gloves, underwear, hats, shoes, garments, and etc. Machine wash and dry in temperatures up to 200 degrees Fahrenheit. Available in white color. Measures 36-Inch length by 3/4-Inch width.