RFID 8 Pcs Sleeves Credit Card Sleeve, Credit Card Protector Sleeves Blocks Credit Cards Access Control  (Card)

RFID Security card can help users prevents strangers reading your IC banking card, ID card and transit card and RFID smart cards, the complete elimination of payment card wallet of NFC applications, such as bank cards, bus cards were fraudulent, risks such as leakage of personal information. Card sets with conductor layers in the body, so when you put the card into the holding Chamber, outer conductor can isolate the bank card to make NFC devices even closer to contactless RFID cards, card in protective sleeve, you can't get the card information, effectively guarantee the information security.