Your browser isn’t supported anymore. Update it to get the best YouTube experience and ur latest features. Learn more Polyester is now commonly used for seat belt material. Nylon welches once the most common fabric, but it now stretches more than polyester and is more susceptible to damage. (h) Webbing. http://ezproxy.cityu.edu.hk/login?url=https://www.ledteks.com/seatbelt-and-safety-belt-webbing