Seat belts, also known as safety belts, are devices designed to secure vehicle occupants and prevent ejection during crashes or sudden stops. They work by applying an opposing force to counteract the force of occupants continuing at the vehicle's speed when it stops suddenly. This keeps occupants properly positioned for airbag effectiveness and prevents ejection. Major manufacturers of seat belts include Takata, GWR, and Sabelt. Seat belt webbing is most commonly made from polyester or nylon yarns woven into a herringbone twill or satin weave pattern on high-speed needle looms. Key properties for seat belt webbing include high tenacity, low extensibility, high abrasion resistance, and