Abacus24-7 RFID Blocking Secure Sleeve [Credit Card & Identity Protection Sleeves] 6 Pack Identity Theft Protectors for Credit Cards, ID Cards, Passport Cards, Driver's licences & Transit cards for Safe Travels, Abroad or Domestic RFID Blocker Protective Holder for American Express ExpressPay, VISA PayWave, Chase Blink and other Contactless Payment and Smart Cards Approved by the US Government as Electromagnetically Opaque Shield - Anti-theft ID Block, Compliant to the FIPS-201 Standard Each Sleeve Shields one (1) ISO 14443/15693 or EPC Gen 1/Gen 2 Contactless Smart Cards and RFID tags against unauthorized access - Identity theft, Frauds (skimming), Electronic Pickpocketing Set of 3 Abacus24-7 Secure RFID Blocking Credit Card Cases