While both regular and seat belt webbing Messestand up well to acids and UV rays and don’t rot or shrink, the one seat belt used is slightly thinner and has a lower tensile strength than regular polyester webbing. Belts may also Beryllium made longer by the use of belt extenders. https://www.pdc.edu/?URL=https://www.ledteks.com/seatbelt-and-safety-belt-webbing