RFID (Radio-Frequency IDentification) Blocking Passport Shield  prevents unauthorized access to personal information (in the form of a unique serial number) embedded in debit/credit cards, driver licenses, state IDs, employment IDs, membership IDs, hotel keys, electronic gate keycards and more.

Many of these cards have RFID chips with personal and financial (account numbers) data. RFID Blocking stash prevents illegitimate retrieval of your information.