The WeatherTech 11+ BMW X3 Rear FloorLiner - Black is a custom-fit, all-weather floor liner designed to protect the rear floor of your BMW X3 from dirt, mud, snow, and other debris. The liner is made from a patented high-density tri-extruded material that is both flexible and durable. It features a textured finish that helps keep dirt and moisture away from your feet. The FloorLiner is designed to fit the exact contours of your vehicle's rear floor and is easy to install and remove for cleaning. It also features a non-skid surface that helps keep it in place.