1. Convenient storage: The micro SD card box memory card box is also equipped with a SIM card box and a SIM card holder, which is convenient for you to replace the mobile phone card when you go abroad or for business needs. Weighing only 126 grams, the memory card holder is compact and easy to store. 2. Anti-pressure and shock-proof: The outer shell of the memory card box is made of hard aluminum alloy, and the inner shell is made of ABSandPC material, which is durable and can store 10 SD cards, 27 Micro SD cards, and 2 SIM card slots. Memory cards for cameras, camcorders, drones, cell phones. 3. Ergonomic locking system: The card box lock is firmly closed and can be opened easily by pushing down with your fingers. Each memory card has a separate safe space, is drop- and scratch-resistant, and slides into the card slot quickly and securely for storage. The external memory card case holder is convenient to use. 4 Features: (1) Beautiful and stylish pattern design with aluminum texture (2) Precise card slot that helps to hold the memory card in place. (3) Small size, easy to carry. (4) Multi-functional and high-capacity: it can be stored and is a gift for friends who like photography. If you have a lot of memory cards, or are always looking for memory cards, this memory card storage case is an option. 5. You will get: budi patented design product storage card case multifunctional box, 12 months worry-free warranty and friendly customer service. If you have any questions, please leave us a message or ask QA, we will provide you with a satisfactory service solution. color:black size:7.87 x 2.54 x 17.27cm include:1pcs 30in1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.