Premium and Stylish - The exterior of the Faraday cage is made of premium carbon fiber texture material and high-quality PU leather, exquisite and beautiful, comfortable and durable. The inner layer uses premium double shielding fiber, the signal shielding effect is perfect. This advanced Faraday box can also be used as a decorative detail on your desk or at home to add a sense of prestige and elegance. Protect Family Vehicles - RFID box for car keys, at least 4-6 keys can be placed in. The internal dimensions of 3.9 x 2.95 x 1.85 inches are sufficient to place various items that need to shield the signal. Thanks to its compact and small design, it does not take up too much space and can be placed anywhere in your home, while being easy to carry. Prevent Car Theft - Owning a Faraday cage is the first step to protecting your car. With the car keys in the box, the signal is 100% blocked, and criminals cannot copy the key signal to open the door and steal the car. (Note: Make sure to close the lid completely to ensure better signal blocking) Wide Use - NOT ONLY for Keys - You can put your credit cards, social security cards, passports, access cards, etc. in a faraday box to protect your family! Safe and Convenient - It is safe to put inside and can be easily found when needed. It is a good storage box and signal shielding box. The Faraday box is not only designed to block car key signals, but also blocks signals from your contactless credit cards and so on. Premium Double Shielded Fiber The inner layer uses premium double shielded fiber, which provides stronger signal isolation. Note: Make sure to close the lid completely to ensure better signal blocking. High-Quality Material The exterior of the Faraday box is made of premium carbon fiber texture material and high-quality PU leather, exquisite and beautiful, comfortable and durable. Durable Metal Lock The metal lock securely locks the Faraday box, making the internal Faraday items fit well, the signal shielding effect is perfect.