The Nintendo Switch Empty Cases are official cartridge cases designed specifically for the Nintendo Switch platform. Made by the renowned brand Nintendo, these cases are perfect for storing or transporting your game cartridges. The model is designed to fit the Nintendo Switch cartridges securely, providing a sleek and organized storage solution for your gaming needs. Perfect for collectors or gamers on the go, these empty cases offer a convenient and stylish way to protect and transport your Nintendo Switch games.

Just using the AI description, pretty basic what you see is what you get, empty cases. Pretty sure games got traded in.