Light, thin, and slim design with ample space for cards RFID protected – helps prevent unauthorized wireless access to card information Features a pop-up mechanism – cards are easily accessed with one click Made with a fine finish for high quality and long service life Helps protect cards from bending or damage when sitting or applying pressure Aluminum construction effectively shields cards from external scanning devices Constructed from aluminum and titanium alloy for durability and modern style Provides protection against card bending, breaking, and unauthorized RFID scanning Designed to carry debit and credit cards securely and conveniently Blocks unauthorized scanning of identity, credit card, bank information, driver’s license, and other RFID-enabled cards Equipped with a button at the bottom for smooth card ejection Cards are ejected in an overlapping sequence for quick and easy selection Allows retrieval of a single card without fully opening the holder Keeps remaining cards shielded within the aluminum body during use Minimizes risk of unauthorized data capture Material: Aluminum and waterproof Ox cloth Holds up to 12 cards RFID and NFC protection Slim and smooth design Dimensions: 10 x 6.8 x 2.5 cm Weight: 100 grams Ideal card storage solution – functional and stylish Patent number: US9339094B2