XIELBIS 4 Pack RFID/NFC Blocking Card,Card Blocker for Contactless Cards，Anti Theft Debit & Credit Card Protector, Slim Protection Identity Document,Wallets, Passport etc

【Easy Testing at Checkout】 Test the effectiveness of our RFID/NFC blocking card at self-service checkouts. When placed between your contactless card and the reader, it ensures credit card read failure, proving its reliability in real-world scenarios. 【Effective Protection】Our cutting-edge RFID/NFC blocking card disrupts radio frequency signals within a 6cm diameter (3cm on each side). Simply insert it into your wallet to safeguard all your credit cards from unauthorized scanning and data theft. 【Advanced RFID Protection】 Equipped with advanced micro-interference technology, our blocking card features an antenna and chip that instantly identifies any scanning attempt by emitting a scrambling signal. Protect your financial and identity information effortlessly. 【Ultra-Compact Design】The same size as a standard credit card, with a thickness of just 0.1cm, this blocker fits seamlessly into any wallet pocket or even your jeans pocket. Place it near your cards for full RFID protection without adding bulk. 【Packing list】You will receive 4 pieces RFID/NFC Blocking Card.