BestBuy has had these for a couple years in our town. The times that I used it, it worked fine. Nice that I could pick up at any time. I have not seen a USPS one around my area yet.
Look at them on Oakley.com. The second and third pictures show the Black one. Then keep scrolling to the bottom and they even show the Black one and the black case.
"This works to solve any retaliatory feedback from seeing a negative review." Here is when it was done: https://www.oakleyforum.com/threads/feedback-update-mutual-feedback-feature.116434/
I have been on a few watch forums that limit the number of for sale threads per person on the first page. And if they put more or bump more (limit to 3 on most), then they are all removed.