Product Feature：RFID blocking function to prevent your credit cards' information from Unauthorized scans.
ZDCARD Secure RFID blocking sleeves are the next thing in protective fashion. Choose the style of RFID sleeve that suits you and protect your valuable Credit and Debit cards and Passport booklets and Passport cards.
Secure Sleeves are RFID protection sleeves for wallets that offer protection for contactless credit cards, licenses, passports and more.
More about rfid blocking products, please enter our website to get.
http://www.zdcardtech.com/Product-116.html
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RFID protected credit card sleeve and passport sleeve