RFID Blocking Sleeves (6 Credit Card & 4 Passport Protectors) Identity Theft Protection Family Travel Pack. Smart Holders Fit Wallet, Purse & Cell Phones (Men & Women). Shields Radio Frequency ID. SHIELD YOUR IDENTITY & FINANCIAL INFORMATION - These sleeves are equipped with advanced RFID Blocking Security Technology, engineered metal composite designed specifically to block 13.56 MHz or higher RFID signals and protect your valuable information stored on the RFID chips of your credit cards or passports from unauthorized scans. WATER, TEAR & PUNCTURE RESISTANT - ARMORBLOKK sleeves are made of a special durable material (Aluminium, Polymer & Paper) that is designed to withstand the stress of constant daily use. EASY TO VERIFY SECURITY/FUNCTIONALITY - To verify your RFID Blocking Sleeves are working, visit a Walmart, Shoppers Drug Mart, CVS or any other big-box retail store and test them out on the checkout scanner. SLIM PROFILE & BEAUTIFUL DESIGN - Fits neatly into your wallet, purse or pocket book. These security sleeves are specifically designed to not add extra bulk; easily slide your cards/passports in and out of the sleeves without obstructions; no cutting or modification required. NO HASSLE MONEY BACK GUARANTEE - Our sleeves are great, you will love them, however if you dont, we will provide you with a refund or a free replacement.