[This faraday bag can effectively protect your car.Lanpard faraday bags protect your belongings from EMF, RFID and other hacking signals!Lanpard Faraday bags effectively protect your personal items from EMF, RFID and other hacking signals, and prevent remote access to your keyless entry keys.[Compact Size] The Faraday bag has a size of 8 x 11.5 cm.Smaller than the others, it is more practical to carry in most pants pockets.Each key fob Faraday bag is rigorously tested before shipping and works properly.Includes 2 small Faraday boxes that allow you to protect your spare key fob or multiple vehicles in your household.Includes 2 small Faraday cages that will allow you to protect your emergency key fob or several vehicles in your household.[Lanpard faraday bag is made of premium carbon fiber and military grade RF shielding fabric, waterproof, which can block WiFi (2.4 and 5GHz), Bluetooth, GPS,RFID, car key signal, etc.Simply place your key in the closed Faraday bag to prevent thieves from accessing your car key signal.Protect your car at all times.Block and unlock in just 2 seconds![The faraday bag is equipped with a zinc alloy hook and a key chain.Stronger and more portable.The hook can be hung on the pants or backpack, the interior key ring makes it easier to remove the car key.All materials have been vigorously tested, which ensures that the Faraday bag works perfectly even after long-term use.Reliable, high quality, handcrafted.