Laminated Passport and Credit Card Protector &ndash; Set of 8 Credit Card and 2 Passport RFID Blocking Sleeves; Fit in Wallet and Purse Security. RFID Blocking Sleeves contain a specialized metal composite which blocks RFID signals, protecting your personal information from unauthorized scans. Quality. Resilient, tear-resistant material is designed to endure daily usage and travel. Efficiency. Cards will slide in and out of the credit card protector with ease. Compact. Slender cut fits snugly in your wallet or purse for ultimate space-saving. Guarantee. We have your satisfaction or you have your money back.