A Faraday pouch, also known as a Faraday bag, is a type of enclosure that blocks electromagnetic fields. It is made of a conductive metallic fabric that blocks signals from reaching whatever is inside. Faraday pouches are used to protect electronic devices from electromagnetic interference, as well as to prevent wireless signals from leaving or reaching the devices. They are often used in digital forensics to prevent remote wiping and alteration of criminal digital evidence. Faraday pouches can also help reduce the chances of car theft by blocking the signal of keyless car fobs from being cloned by outsiders. In addition, they can protect RFID devices from being skimmed. Faraday pouches work by absorbing the electrons being sent out by electronic signals, stopping or greatly reducing their emission, and thus giving would-be thieves no signal to clone. Faraday pouches are an affordable, one-time investment for the protection of personal data and electronic devices.