This cartridge case allows you to store up to 24 game cartridges simultaneously, so you can take a lot of your game with you everywhere. The exterior is made of high-quality hard-shell material, which is waterproof, dustproof and shockproof and effectively protects the Nintendo Switch cartridge from bumps and drops. The case is also designed in such a way that the cards are not crushed against each other. The cartridge case can store both Nintendo Switch game cards but can also be used to store SD cards.