The Key Fob JACKET provides ultimate protection against modern-day cyber threats. Safeguard your key fob from hacking, GPS tracking, RFID scanning, and unwanted Wi-Fi access with this compact and powerful Faraday pouch. The Key Fob JACKET blocks signal from being accessed and boosted, keeping your car safe while not in use. This bag can also be used for USBs, SSDs, and credit cards. The bag measures 5.25″ x 7.5″ and offers >85 dB attenuation (400 MHz-4 GHz). It is made with black, heavy-duty, water-resistant TPU and a tight, double-fold magnetic closure to keep your keys safe and dry. The JACKET Key Fob Faraday bag by Faraday Defense is an effective signal-blocking key fob bag. We are taking shielding to the next level with triple layers of >85 dB (400Mhz-4Ghz) CYBER NC fabric along with an outer layer of durable, water-resistant TPU, ensuring that your device is protected from key fob signal-boosting car theft. Our secure, double-fold, magnetic closure is easy to seal for quick access to your keys. The slim profile expands to accommodate bulky key fobs and key chains, and can also be used for USBs, SSDs and credit cards. When your keys and other devices are in the bag, their identity is protected. BLOCK SIGNAL: Blocks Key Fob Signal, Bluetooth, Wi-Fi, Cell Signals (incl. 5G networks), GPS and RFID. CYBER BLOCKING: The Key Fob JACKET is equipped with three layers of specially designed cyber fabric that employ Faraday technology, creating a barrier against electromagnetic signals and preventing unauthorized access to your key fob. Effectively blocks communication of signals to and from your device with >85 attenuation (400Mhz-4Ghz). The JACKET Key Fob Faraday Bag by Faraday Defense is designed for UNIVERSAL shielding of key fobs, and is also effective for credit cards, small hard drives and USB drives. It blocks the following common signals: Cell Towers, GPS, RFID, Bluetooth and Wi-Fi. Size: 4.75″ x 2.75″ interior