Yueton Pack of 2 Aluminum Credit Card Wallet RFID Blocking Case - Credit Card Holder for Men & Women -Business Card Case (Purple,blue) It protects your cards clean and undamaged, elegant design and makes your business life convenient and effective! Six expandable pockets;aluminum outer shell; ABS plastic interior; PVC plastic divider! Click button for easy opening and closing! It also helps to block RFID scanning of your credit cards by thieves. Card-protector: The RFID protection card holder can perfectly block unwanted RFID scanners. Designed to Block RFID Readers from Scanning Your Credit cards, Debit cards, Banking Information, Smartcards, RFID driver's licenses and other RFID Cards.