• 1.PROTECT YOUR INFORMATION. The sleeves are equipped with advanced RFID SECURE Technology, a powerful electromagnetically opaque shield, which blocks RFID signals and from unauthorized scans. Protects passports, credit cards, debit cards, ATM cards, driver's licenses, transit cards ,Metal shielding block UHF 860~960MHz & HF 13.56MHz frequencies, and so on
• 2.SIMPLY SLIM DESIGN - ONLY (ONLY 6.2* 8.6cm card protector, 10.5*13.5cm passport protector.) No cutting or modification required. It is slim enough to fit into credit card slots in wallets, handbags, travel bags and smartphone cases.
• 3.WATER, TEAR RESISTANT - Enduring resistant material to stand tears and punctures. suitable for daily use. They're even waterproof, so you don't have to worry about them.
• 4.EASY TO TEST - To check if your RFID Blocking Sleeves are working, just test it with your job card, or other big-box retail store and try them out on the checkout scanner.
• 5.NO HASSLE MONEY BACK GUARANTEE - We know you'll love our sleeves, that's why if you aren't 100% satisfied, we will provide you with a refund or a free replacement - whichever you prefer.

1.PROTECT YOUR INFORMATION. The sleeves are equipped with advanced RFID SECURE Technology, a powerful electromagnetically opaque shield, which blocks RFID signals and from unauthorized scans. Protects passports, credit cards, debit cards, ATM cards, driver's licenses, transit cards ,Metal shielding block UHF 860~960MHz & HF 13.56MHz frequencies, and so onzhiheng