Wisdompro RFID Blocking Cards, 6 Pack Contactless NFC Bank Debit Credit Card Passport Protector Blocker for Men & Women, Entire Wallet & Purse Shield - Blue

Designed to protect and secure your ID cards and payment cards from being hacked and skimmed from the RFID and NFC readers at frequencies of 13.56Mhz.

(Note: It can NOT work on cards with frequency from 100KHZ TO 125KHZ.) Slim & Compact Design: This RFID Blocking Card is the same size as a standard credit card and its thickness is 0.9mm, which can perfectly fit in wallets or purse.

Easy to Use: Simply place the rfid blocking card next to ID, credit card, debit card, passport for protection.