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If they're still on the doors in that pic, then yes they've held up pretty good. The chip guard vinyl, not so much.
I guess the irony is that I rarely park the car next to others and would never bash someone else's door, regardless of the car I'm driving. The cars that need edge guards are coupes with the long doors.
Vinyl in general has a limited life span. These are some type of thin, pliable, yet somewhat hardened rubber.