🔐 Secure Your Keys, Secure Your Peace of Mind! Accommodates 8-12 car keys or multiple cards and devices. Perfect for shielding phones, credit cards, and sensitive documents. Keep your car safe with 100% signal blocking. Convenient storage that keeps your essentials secure and accessible. Crafted with high-grade PU leather and double shielding fiber. Premium PU leather 5.7x2.9x4.1 inches 100% signal blocking The Faraday Box is a cutting-edge signal-blocking solution designed to protect your car keys and other sensitive items from theft and eavesdropping. Made from premium materials, it offers a spacious interior for multiple keys and cards, ensuring both security and convenience.