MyTravelPro Credit Card Sleeve 3 Pack features RFID protection to prevent digital theft of your credit card information.  Contains: 3 Credit card sleeves                   Materials: Paper or Plastic Film laminated with Aluminum or Copper (RFID-blocking layer).MyTravelPro is a generic retail brand for travel accessories. These sleeves are designed to protect credit cards from unauthorized RFID scanning.Slide credit card into the sleeve to block RFID skimming.For external use only. Not a toy.