I haven't noticed any scratches, I also don't really use the window, cause my dog would leap out of it and get even more hyperactive
Child lock ON, Window lock ON
I do open and close the side door a lot obviously, so the windows go up and down all the time, but I have yet to notice any scratches. While the plastic insert is quite thin, the fit is snug. I've tried other door protectors without the divots and they just fall off whenever you use the window or the dog paws at it.
Good thing about Amazon is you can always return it
Cheers!