I've owned these for 4 years they were my back ups to my backups. They were only used a handful of times for ceremonies and one Reception for an hour. Other then that they road around in my trailer in boxes.
Some marks/scuffs sound as new.
Dropbox Video in website link
https://www.dropbox.com/s/z3zvn2q3odxphxh/256.mp4?dl=0