Faraday pouches that can be used to protect your car keys from being stolen by thieves using a key fob duplicator. The pouches work by blocking the radio waves that the key fob emits, making it impossible for the duplicator to read the signal. The pouches are made of a durable fabric that is lined with a Faraday material that blocks electromagnetic waves. They are also water-resistant and dust-proof, so you can be sure that your keys will be protected no matter where you go. The pouches are small and lightweight, so they are easy to carry around with you. You can keep them in your pocket, purse, or backpack. They are also a great way to store your keys at home, in your office, or in your hotel room.