- 2 PCS FARADAY SIGNAL BLOCKING KEYLESS CASE - KEYLESS CAR PROTECTION: This car key signal blocking kit is essential to protect your car. The car key signal blocking bag prevents your car's security system from being hacked. Protects your personal and financial information by preventing RFID scanners and readers from detecting your cards' RFID signals. SUITABLE SPACE: Our Faraday bag measures 13.5 cm (5.25 in) x 8.5 cm (3.4 in) except the Faraday bag works well, this handy key bag is the perfect size to protect your keys, integrated access cards or other small electronic devices, e.g. STRONGER SIGNAL BLOCKING: High-quality PU material Zinc alloy hook fully wrapped insulation perfectly ensure that the RFID car key box blocks 100% of all signals. All you have to do is put your car keys in Faraday's bag to prevent your car's security system from being hacked. Protect your car anytime, anywhere and ensure your complete safety. EASY TO CARRY: Zinc alloy hooks at the top for hanging on jeans or in purse and bag. This smooth leather signal blocking keychain is easy to carry and offers a sophisticated style. With a sleek and stylish design, it is a luxury car key bag that is not to be missed. Describe: Material: high quality PU leather Color: Black Function: RFID information anti-scan/radio frequency information leak/car key signal shielding Size: Open Size: 13.2*12.9cm Closed Size: Length 8cm, Width 12.7cm Structure: one plain card position, one shielded key card position to prevent RFID scanning and shield the car remote key Package Details: 2 * key case WARM TIPS： ！ ！