PROLEEYI RFID Blocking Sleeves Passport Boarding Pass Holder Protection - Aluminum Wallet Case Cover an Block RF Signals to Protect You From Identity Theft, 3 Unique Designs (gray) Equipped with advanced RFID blocking Technology. Keep your wallet and passport look special with our sleeves. Freely slide your cards in and out of the sleeves, fit in all wallet pockets - no cutting or modification required. Made from durable, tough materials, perfect for traveling or everyday use. 2 Passport Protectors.