Savory Bacon Novelty Aluminum Wallet credit Card Case Holder - RFID protection Holds standard sized business cards, credit cards, gift cards, and other small flattened items Secure pop-open clasp. The hard-shell case blocks RFID tags now embedded in some credit cards, preventing ID theft Durable brushed aluminum construction with ridge detailing. Plastic filing sleeves for great organization. Convenient size- 3.25"H x 4.5"W-about the same as a standard size wallet.