Red5 RFID Credit Card Protector The ingenious slimline credit card protector blocks RFID signals to prevent credit card skimming, keeping your cards are safe and secure! Perfectly pocketable, this sleek and lightweight case holds 6 cards. The design features a sturdy metal casing, with a sliding mechanism that you simply push to easily access your cards. Perfect for those times when you don’t want to bring your wallet, this smart little holder is ideal for keeping your cards safe and secure.