RFID Secure Cash and Cards WalletCompared to regular wallets and purses made from leather, our aluminum cases protect cards from illegal data theft, so called RFID Scanning. (RFID Radio Frequency Identification) FEATURES This Cash and Cards Wallet is the first aluminum wallet with integrated card and coin compartments featuring a patented storage system for security and organization Card compartment includes storage for up to 6 credit cards and an additional compartment for business