【SECURE YOUR CAR BEFORE IT'S TOO LATE】 - Simply place your car key in the Faraday bag and you're protected. Faraday bags with double layer signal blocking protect your belongings from EMF, RFID and other hacking signals! No longer worry about thieves amplifying your fob signal and unlocking your car, effectively preventing your keyless fobs from being accessed remotely. 【RFID PROTECTION FUNCTION】 The Faraday bag is made of premium material with carbon fiber structure and two layers of shielding material, which can block phone calls, SMS, WI-FI, bluetooth, 5G, NFC signals, etc. It is suitable for all sizes of key fobs. The signal blocking pocket protects your car and credit card. Simply place your car key in the bag and you will find no response from your cars. 【IMPROVED DESIGN】 Upgraded zinc alloy hook and inner key ring. More strong and portable. Portable hook can be hung on the pants or backpack, the inner key ring allows you to easily take out the car key. All materials have been carefully tested, ensuring that the Faraday bag works well even after long-term use. Reliable, high quality, handmade. 【CONVENIENCE & 2-PACK】 The size of the car key signal blocking pocket is 8.5*13.5cm. Which is easy to carry. We provide 2 medium-sized bags that you can use to protect your spare key fob or multiple vehicles in your household. With the concept of customer first, we provide you with 24/7 customer service. No matter where you are or what problems you encounter, we will solve them for you as soon as possible to ensure your shopping experience is worry-free.