The WeatherTech 10+ BMW 7-Series Front and Rear Side Window Deflectors are designed to provide protection from the elements and reduce wind noise while driving. These deflectors are made from a dark smoke tinted acrylic material that is strong and durable. They feature an aerodynamic design that helps to reduce drag and improve fuel economy. The deflectors are custom designed to fit the BMW 7-Series perfectly and are easy to install. They come with all necessary mounting hardware and instructions.