Dritz cotton swimwear elastic is excellent in swimwear because it is resistant to salt, chlorine, sun & body oil. Cotton swimwear elastic holds its elasticity much longer than regular elastic. It's also wonderful elastic to use in many other garments and craft projects since it holds elasticity longer than regular elastic. Lightweight elastic that Narrows when stretched. 1/4 inch by 3 yards, natural colored elastic. Machine wash and dry in temperatures up to 200 degrees Fahrenheit. Do not dry clean.