General description This 1PC RFID Signal Shielding Box is designed to protect your car keys and other important items from signal theft. With a compact size of 17x12.3x9.5 cm, it can hold 4-6 keys and is suitable for various items such as 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 elegant and durable. Technical specifications Dimensions: 17x12.3x9.5 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 shielding. Other information Durable metal latches secure the box and enhance the signal shielding effect. This box can serve as a decorative piece on your desk or at home.