xiruoer laser sliver rfid sleeves for nfc cards anti-credit card sleeve protect iso14443a chip card thin cases for your wallet anti-scanning

working frequency: 13.56mhz dhl fedex ems ups shipmentrfid 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.