RFID Blocking Sleeves (10 Credit Card & 2 Passport Protectors), Acelive RFID Credit Card Protector Sleeve Offers Secure Protection from Identity ID Theft and Credit Card Fraud Better safe than late. With advanced secure technology, Acelive RFID Blocking Sleeves block RFID signals and protects the valuable information stored on RFID chips from unauthorized scans. Premium quality, made of a unique metal composite, reduce tears and punctures from every use. Slim fit, the sleeve protectors fit all wallet cards slots without add extra bulk. Unique design, slip in and out of sleeve easily, no modifications like extra cutting.