Anti -theft features:RFID blocking lining materialAdditional features:Lined with RFID -proof fabric for digital credit card protectionSturdy 210D® exteriorFour internal card sleevesPlease note: RFID -protected products will only offer protection against scanning of the very low -power signal emitted by a credit card or passport chip. They will not block a higher power radio signal (for instance a Smartphone or a Car -Key or Garage remote) - Slim-profile RFID card holder for protecting your information from digital skimmers. Includes four internal card sleeves to safely hold all your most valuable cards and information and lined with RFID-proof fabric for digital credit card protection.