5pack RFID Blocking Cards,Contactless NFC Debit Credit Card Protector,One Card P

Just insert the safe card into your wallet, and it provides full protection against scanning and data theft—no bulky sleeves or special wallets required. Advanced RFID Blocking Technology: Protect your sensitive information with our RFID blocking card, designed to block unauthorized scanning and skimming of credit cards, debit cards, and other RFID-enabled cards.

eBay