This cartridge case allows for the storage of up to 24 game cartridges at the same time, so you can take multiple games with you wherever you go. The exterior is made from high-quality, waterproof, dustproof, and shock-resistant material, which effectively protects the Nintendo Switch cartridge from bumps and falls. The case is designed in such a way that the cards do not press against each other. The cartridge case can store both Nintendo Switch game cards and SD cards.