Door Protectors

Hi All, does anyone know where I can get some decent looking "door protectors"? you know, the ones that stop your doors being scratched when some numpty parks next to you and bashes your door. All I can find are some magnetic things that are huge, and to be honest look a bit daft! I'm looking for something a little more subtle and not aftermarket looking as it were, would help I guess if I knew what they were called