Its from an online store from the Netherlands called Coolblue. I mean something like this (the case):Do you mean like a protection shell? I suppose so, although I think that varies per user.
If you bought a boxed N3DS that didn't come directly from Nintendo, you're guaranteed a hackable firmware.
https://m.bol.com/nl/p/super-mario-beschermhoes-3ds-new-3ds-3ds-xl-new-3ds-xl/1004004013446945/