I'm sure it's a plastic part. The exterior looks fine apart from that small panel. The car looks like an XJ which have small panels on either side of the rear w

I'm sure it's a plastic part. The exterior looks fine apart from that small panel. The car looks like an XJ which have small panels on either side of the rear window. http://carsfolia.com/photo/im/jaguar-xj/03/ http://carsfolia.com/photo/im/jaguar-xj/03/