General description These Faraday signal blocking pouches provide 100% protection against all types of signals, making them the best safeguard for your car's remote key. They effectively block Wi-Fi, Bluetooth, RFID, NFC signals, and more, ensuring your keys are secure from tracking, spying, and radiation. Technical specifications Dimensions: 13 x 8.2 cm / 5.11 x 3.22 inches Material: High-quality carbon fiber, durable and waterproof Compatibility and accessories Universal fit for all brands and models of remote car keys Includes a keychain inside the pouch for attaching your key One pouch features a metal hook for easy attachment to belts, pants, or backpacks Other information Sold as a set of 2 pouches, allowing you to protect an additional key at home