Tenn Well RFID Blocking Sleeve Set Offer Secure Protection On ID Card And Credit Card (10 Credit Card Sleeves & 2 Passport Sleeves) UNIQUE DESIGN-Freely slide your cards in and out of the sleeves without obstructions found in other brands, snug fit for cards,excellent fit in most wallet pocket. SAFE & SECURE-RFID sleeve is equipped with advanced RFID Secure Technology which blocks RFID signals and protects the valuable information stored on RFID chips from unauthorized scans. BEST SLEEVE FOR credit cards, passdebit cards, subway cards, US resident green cards, etc. PEACE OF MIND ON YOUR TRAVELS-Feel fully protected on vacation not only from credit card fraud but from identity theft also.Keep your credit card data SAFE & SECURE from electronic thieves. 100% MONEY BACK GUARANTEE - Your satisfaction is our main priority.Love your RFID sleeves or get your money back!