The OffGrid Signal Flare RFID/NFC Blocker card protects your sensitive financial information from would-be thieves and hackers. Keep your ID, debit and credit cards, and other delicate details safe from prying eyes without bulking up your wallet, thanks to its ultra-thin, lightweight design. With credit and data scams on the rise, it's never been more important to lock down your details, especially when you are travelling overseas. The OffGrid Signal Flare RFID/NFC Blocker creates a barrier around your wallet or purse to ward off scanners and scammers. Simply place one Signal Flare behind your credit or debit card on each side of your wallet to instantly block RFID and NFC signals that could be trying to access your personal data.