General description This RFID Signal Shielding Box is designed to protect your car keys and other valuables from signal theft. With a compact size of 11.5x9x6.2 cm, it can hold 2-4 keys and is suitable for storing credit cards, passports, and access cards. The box features a stylish design made from high-quality textured carbon fiber and PU leather, making it both functional and aesthetically pleasing. Technical specifications Dimensions: 11.5 x 9 x 6.2 cm Material: Textured carbon fiber and PU leather Inner layer: High-quality double-shielded optical fiber Usage Place car keys inside the box to shield the signal and prevent unauthorized access. Can also be used to store credit cards, social security cards, and passports. Ensure the lid is closed completely for optimal signal blocking. Other information Durable metal latches for secure closure. Can serve as a decorative item on your desk or at home.