RFID anti theft.
6 Pack RFID Blocking Sleeves Anti Theft RFID Card Protector RFID Blocking Sleeve Identity 4 Credit Card 2 Passport Wallet Pocket Free delivery by NZ Post Protect you 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. Simply slim design: Only 6.3* 9.3cm
card protector, 10.6*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. Water, tear resistant: Enduring resistant material to stand tears and punctures. suitable for daily use.