Stainless Steel Credit Card Case Protects your identity and prevents identity theft. Ulta-thin and ultra-durable. Super strong stainless steel is 3 times thinner than paper! Durable & resistant to corrosive materials such as salts, acids and seawater. Virtually indestructable. Amazing case blocks RFID scanning on your cards to prevent ID theft. Protects your identity and prevents identity theft. Ulta-thin & ultra-durable Super strong stainless steel is 3 times thinner than paper! Helps avoid a bulky wallet. Secure way to keep your cards.