The X-Large Box for Car Key is a premium signal blocking box made from PU leather, designed to shield all signals from your car key, phone, and credit cards. The rectangular-shaped Faraday box, suitable for dimensions 10*16*12cm, offers large capacity and versatile use. It effectively protects your belongings from RFID signals, making it a reliable safety and security accessory for your vehicle. The black color and premium leather features add a touch of style to this practical and effective signal shielding storage box from Ironstripe.