BlueCraft Slim Nano SIM (Max. 12 nano SIM cards) Card Aluminum Holder Case Storage with SIM Card adapters (Black) Mobile SIM card holder for Nano SIM cards and eject Pin Bundled very useful SIM card adapters and Eject Pin Manage messy SIM cards in Business trip, Over sea travel scenes Max. 12 pcs capacity and eject pin Avoid losing tiny but important SIM cards