Tectocker-DOU 2 Pc Deep Floating Shelves ; Wall Mounted Hanging Shelves for Living Room, Kitchen, Office, Bathroom and Bedroom Decor; Storage and Display Shelf Set (Black, 15.7W×11.8D)

I was trying to figure out the exact same thing. The largest depth shelf I found is 12 inches. Was looking at this one: https://a.co/d/de0sK3Z Thank you for doing the leg work to get it figured out. Please update us once you get the shelf and let us know how it fits.