NES Kleenex Box.
Designed to encase a box of Scotties House & Home cubes, also fits Walmart brand (Great Value) of cube boxed tissues.
Use any Label you choose (find online and scale to size).
You can find more here: https://www.vgmuseum.com/scans/nes.html
And here:
https://www.nintandbox.net/index.php/en/nintendo-boxes-project/NES-Famicom/
You can just scale and print. I scaled them to be 60mm wide and 100mm tall (the top 10mm works as the top part of the cartridge).
The author remixed this model.
The hole at the top was to tight to get into if the follow up kleenex did not come out the top so I made the access a bit easier.