Helps car theft prevention Designed to protect credit cards and other electronic items Aims to prevent accidental data loss and corruption. Prevents RFID, NFC, Bluetooth, GPS/SatNav networks, 2, 3 and 4G mobile phone and WiFi connectivity Stops all frequency signals being sent or received by your car fob Tough, twin-pocket design: one with a metal lining for signal blocking and a further one for general storage Secure, hook and loop fastening High quality Waterproof Synthetic leather body Dimensions: 20cm x 10cm x 2cm (open) | 13.5cm x 10cm x 2cm (closed) Accommodates fob designs for most manufacturers and models, including Range Rover, Volkswagen, Toyota, Lamborghini, Ferrari, BMW, Maserati, Seat, Lotus, McLaren, Audi, Nissan, Honda, Ford, Mercedes, Alfa Romeo, Skoda, Bentley, Volvo and more Available in two-packs