Pacsafe RFIDsafe 75 Anti-Theft RFID-Blocking Neck Pouch, Neutral Grey High-security, RFID-blocking neck pouch ideal for traveling; compact enough to hide under clothing RFIDsafe Blocking Material built into a pocket in the main compartment helps protect IDs & credit cards from hacker scanning Zippered main compartment designed to fit your passport, credit cards, cash, and other small items Comfortable breathable backing with anti-odor treatment and a moisture proof liner Measures 6.9 x 5.1 x 0.3 inches; weighs 1.8 ounces