Aluminium Card Holder with Rfid (radio Frequency Identification) Security Technology That Keeps Credit Card Data Secure From Electronic Scamming. Resistant, Smooth, Aluminium Body Supplied with Notch for Easy Access to the Card. This Modern Pocket Sized Debit Card Protector Will Fit in Most Wallets. Perfect for Everyday Travel on Your Daily Commute. Colours: White, Black, Red, Green, Silver, Purple, Blue, Gold. Minimum Quantity: 2000.