RFID Sleeve Set (10 Credit Card Protector + 2 Passport Sleeves) - Wallet Inserts Provide Safe RFID Blocking Security Protection for ID, Credit Cards & Passports Tested RFID blocking sleeve protects credit cards, passports, debit cards, IDs, and other RFID-enabled cards against electronic scanners by blocking radio frequencies at 125 kHz, 13.56 MHz and 860-920 MHz. Attractive logo design with matte finish outside and antimagnetic aluminum coated shield material inside. Slim profile fits easily into a travel wallet, business case, or document holder. 10 credit card sleeves are top loading and slide neatly into mens and womens wallets. 2 passport protection sleeves feature side opening that makes it easy to remove and insert passports while traveling through airport security checkpoints or scanner devices. 100% Satisfaction Guarantee. If you're not happy, return your sleeve set for a refund or replacement.