Tenn Well RFID Blocking Sleeve Credit Card Secure Sleeve Offering Secure Protection for Credit Card and ID Card, 10 Piece SAFE & SECURE - RFID sleeves are equipped with advanced RFID Secure Technology which blocks RFID signals and protects the valuable information stored on RFID chips from unauthorized scans UNIQUE DESIGN  Comfortably slide your cards in and out of the sleeves without obstructions found in other brands. Snug fit for cards, excellently fit in most wallets BEST SLEEVE for credit cards, passdebit cards, subway cards, etc. It will make a great gift for your family and friends PEACE OF MIND ON YOUR TRAVELS - feel fully protected on vacation not only from credit card fraud but also from identity theft. Keep your credit card data SAFE & SECURE from electronic thieves LIFETIME WARRANTY & MONEY BACK GUARANTEE - If you don't like this product, please let us know and we'll refund you 100% guaranteed, no questions asked! We are truly dedicated to your satisfaction