The shielding card sleeve is a kind of ferrule made of shielding material, and the anti-theft function can be realized by simply putting the card into it.
RFID Blocking Card is designed to protect personal information stored on credit cards. It can protect high frequency RFID cards from e-pickpockets using handheld RFID scanners. It's the same size as a standard credit card, so it will fit in any wallet.
