In this cartridge case, you can store up to 24 game cartridges at the same time, allowing you to take many of your games with you wherever you go. The exterior is made of high-quality hard shell material that is water, dust, and shock-resistant, effectively protecting the Nintendo Switch cartridge from impacts and drops. The case is also designed to prevent the cards from being squished against each other. The cartridge case can hold both Nintendo Switch game cards and SD cards.