The Genuine BMW Rear Window Shelf Roller Sun Blind (Anthrazit) is a high-quality, OEM (original equipment manufacturer) product designed specifically for BMW vehicles. It is a retractable sun blind that attaches to the rear window shelf, providing shade and privacy for passengers in the back seat. The blind is made from durable materials and features an anthrazit (dark gray) color to match the interior of BMW cars. It is easy to install and can be rolled up or down with a simple pull of the handle. This product is an official BMW accessory and is designed to seamlessly integrate with the vehicle's design.