The SmallRig Memory Card Case for Sony CFexpress is an auxiliary product for photography enthusiasts. It stores two CFexpress type-A cards, two SD cards, and four microSD cards, providing a convenient way to keep your memory cards safe. There are independent spaces for each card and you can quickly and easilly slide the cards into the case. The slots have printed names of compatible cards for quick identification. The exterior is made from rugged aluminum alloy and the interior is made of ABS+PC material.