MELKBQF,
Thanks, that link was in the opening post in this thread
Buster,
I suspect that's plastic carpet protector (sorry if sarcasm escapes me at this hour)
Wally,
Your Holden's bench seats probably were comfy, and a mile wide for those long (6-stubby) trips, which is why SQ have decided to put them in their 380s. Lots of Aussie ar5es have proven the comfort of those puppies for long hauls!