Bright Safe Care RFID Anti-Theft Data Cards - 4 pack

• Usage: place this card in your wallet, in between your credit cards
• For additional security, sandwich the cards that need protection between 2 RFID data cards
• Do not bend, perforate, or expose the card to extreme temperatures
• No batteries required
• These cards have been tested to effectively block out RFID signals

• 4-pack
• 6 cm (2.4") protected range