Durable design for indoor/outdoor clothes drying. Cotton covered cord with polypropylene core to add strength and reduce stretch. Bringing organization home. 1-888-Whitmor. www.whitmore.com. Working loads are for rope in good condition with appropriate splices, in non-critical applications and under normal service conditions. Working loads are not applicable when rope is subject to shock or dynamic loading. These can cause failure to rope that is normally strong enough to handle the job. Do not stand in possible recoil path in case a failure occurs. Made in China.