Side walls look nicer.
What happened to the rest of your bed?! ![Smile :)](https://board.marlincrawler.com/Smileys/marlin/smiley.gif)
The previous owner really "methed" it up. Notice the huge gap from the cab to the bed? the guy must have bobbed it on the bench, then when he put it back on realized there was no way that thing was going on correctly lol