feature: Fashion, simple, stylish, soft texture, RFID anti-theft and anti-theft function, shielding the car key signal function. Physical evaluation: generous and unique, unassuming personality, simple and ordinary, with keychain, key anti-lost function, compact and universal. Unique leather small Faraday travel bag: It is specially designed for your car key. Unlike other swollen bags after putting the car key in, the hook is easy to carry. FARADAY BAG KEY FOB can block GPS and car key signals to prevent tracking, protect your privacy and ensure that your car security system is not hacked. Universally applicable to more than 99% of car keys three-layer signal block fabric makes the Faraday bag more durable and reliable. The use of high-grade environmentally friendly PU materials, internal RFID shielding cloth, 100% shielding of car button signals. Car key signal interceptor box, Faraday bag signal shielding cover box, anti-theft anti-theft protective bag, for car key keyless entry key fob Wifi / GSM / LTE / NFC / RF / RFID Maintenance: Wipe with water or a small amount of detergent, do not dry clean, expose to the sun, iron, or bleach. Material:PU leather Color: black Dimensions:12.5cm long * 8cm wide Packing list: 1 *car key bag