I am a new membe... I own a 1992 convertible. I am trying to purchase a plastic deck protector which is permanently installed. I was told the later year C4 convertibles can from the factory with a permanent plastic deck protector. I can only find plastic protectors that are installed temporarily installed (plastic “clings” to the deck) when the top is up and then removed when the top is down. I would greatly appreciate where a permanent plastic prospector can be purchased. Thanks!