Elastic rubber net with hooks for securing cargo on cars, light trucks, roof racks, roof carriers and more.It can be used for a variety of purposes, such as securing cargo during outdoor activities and working in your car, as well as preventing cargo from collapsing in a light truck bed.Easy to install, just hook the included key hooks.Diameter of about 5mm durable rubber stretches to about 1.5 times to keep your cargo in place.