For those times when you can never be too careful, the everyday Coversafe™ V75 RFID blocking neck pouch (freq:10MHz to 3GHz) is ideal for concealing your passport, cash and credit cards in crowded areas or while in transit and perfect for preventing would-be identity thieves from trying to download your personal information. RFIDsafe™ Blocking Pockets & Material Most passports, credit cards and ID cards now contain a RFID micro-chip. This chip contains all your personal, sensitive information. Identity thieves are able to access this information from up to 10ft away with the help of an RFID reader. Our award-winning RFIDsafe™ blocking material prevents your data from falling into the wrong hands by blocking out virtually all transmissions between 10 MHz - 3 GHz, which covers the radio frequency used in e-passports, credit cards / smart cards and key cards.