RAYSUN Aluminum Wallet Credit Card Holder with RFID Blocking Security Protection (Blue) High grade plastic wallet with aluminum shell; Integrated RFID repellant technology protects you from Credit-Card scanning; Six secure slots fold out accordion style and hold up to 6 cards or more and money; Carve streak surface for avoiding scratches in use; Standard Size: 4.25" x 3" x 0.75".