Aluminum Hard Case Credit Cards Wallet - RFID Protector Aluma Wallets Protect your credit cards and cash with the Card Guard Aluminum Hard-Shell Wallet The hard-shell case blocks RFID tags now embedded in some credit cards, preventing ID theft The tear-proof 6 pocket accordion interior neatly organizes cards and bills. Featuring an easy open/close clasp, the wallet is water, stain and impact resistant Lightweight to fit in pocket or purse. Approximate Measurements: 4.5 inches x 3 inches x 1 inch