This ATX gym rope is more durable and flexible than nylon ropes. High quality polyester material with a unique, finely braided weaving technique. Very flexible and much more effective than rigid ropes. The rope is 35 mm thick. Suitable for indoor and outdoor use. Highly weather and UV resistant, will not harden or stretch. The ends are sewn and finished with a shrink tube to prevent fraying. Made in Europe to the highest quality standards.