[SECURE YOUR CAR BEFORE IT'S TOO LATE]-- Simply place your car key into the this double-layer signal-blocking Faraday bag to thwart theft. Prevent thieves from amplifying your fob's signal and accessing your vehicle. This essential anti-theft device is perfect for enhancing vehicle security. [RFID PROTECTION FUNCTION]-- The Faraday bag fob features premium carbon fibre textured material and dual layers of shielding, effectively blocking signals such as phone calls, SMS, Wi-Fi, Bluetooth, 5G, and NFC. Suitable for all key fob sizes, it ensures no response from your car when keys are inside. It's an essential for protecting both your car and credit cards. [LARGER HOOK & KEYRING ADDED]-- The Faraday Bag features a larger U-shaped zinc alloy hook, ideal for organising house keys, AirTags, or small tools like multitools, keeping them easily accessible. The internal key ring ensures that retrieving your car key is effortless. These features make our Faraday Bag a top choice for vehicle protection and convenience.