I purchased one of these along with my Pro 16 a few years ago.
The cover fits really well and I like it very much, but the black color only held up less than a year. If you like a grey pizza oven color, this is your guy. If you want a black one that will stay black, good luck, unless you want to buy another one annually.
I have three weber BBQs, and all of those covers are just as old if not older than this one, and have still retained their black color fine.