Protect your personal information with these RFID Blocking Credit Card Sleeves. Slim, lightweight design slides easily over your credit cards, driver licenses & other RFID-enabled cards & stores in your wallet to protect them from unwelcome radio-frequency identification. Open side allows easier card insertion & retrieval. Sleeves are treated with an antimicrobial agent to protect the sleeve against the growth of bacteria, mold, mildew, fungus & odors.