Features: Keep your car secure with this car fob pouch with a Faraday cage lining isolating the signal in the bag. Preventing RFID, Bluetooth, 2,3 and 4G mobile phones and Wifi connectivity, stopping frequency signals in both directions. Material inside completely blocks the signal from your car key fob. This prevents thieves from getting a hold of your key fob signal shielding against break ins and keyless ignition theft. Multi-purpose pouch to protect contactless debit/credit cards and key fobs. Thieves will be unable to steal from your contactless card by charging your card without your knowledge with the help of the Faraday bag. Size:8*13cm/9.5*14.5cm Color: black Package Included: 1 x Car Key Signal Blocking Bag