The WeatherTech 2016+ BMW 7-Series Rear FloorLiner - Grey (Vehicles w/o Rear Executive Lounge Seating) is a custom-fit floor liner designed to provide maximum protection for the interior of your vehicle. It is made from a proprietary thermoplastic material that is both odorless and non-toxic, and is designed to form-fit the exact contours of your vehicle's floor. This floor liner is designed to provide superior protection against dirt, mud, and spills, and its raised lip helps contain messes and prevent them from spilling onto your vehicle's carpet. It is easy to clean and is designed to last for the life of your vehicle.