Cork combined with RFID protection, makes the Bouken Passport Holder a modern-day travel essential. What is RFID protection? In an age with 'Tap and Go' facilities, becoming a victim of RFID theft is a real possibility. Someone could scan your credit card with an RFID reader which can identify electronically stored information on your card, through your pocket or wallet without your knowledge. RFID protection blocks and interrupts the electromagnetic fields and radio waves, preventing any communication between your card and the RFID reader.