The Mobile Edge I.D. Sentry credit card wallet protects your credit cards from unauthorized Radio Frequency Identification (RFID) access using Mobile Edge's exclusive Wireless Security Shield (WSS) technology. This design incorporates an alloy shielding material which blocks out all unauthorized RFID access ensuring ultimate ID security. Eliminate the threat of your confidential information being compromised from thieves with the I.D. Sentry credit card wallet.