Secure your car by placing the key fob in the Faraday box to help prevent unauthorized access. This signal blocking box is designed to help protect against potential signal relay attacks by using a combination of materials and construction to block wireless signals. The box features a layered design with wood material, double locks, and fully wrapped insulation to help ensure signal blocking. Simply place your car keys inside and close the lid to help safeguard your key fob. The large interior can accommodate multiple car keys, making it suitable for storing spare keys or those of family members. External dimensions: 19.5 x 13 x 10.5 cm. Easy to use—just place keyless entry fobs or keychains inside to help protect them from potential remote signal interference. Helps protect keys from scratches and damage. Inner layer features solid wood and fabric materials; outer layer is made of high-quality PU leather for durability. Lining includes double-insulated fabric. Product is designed to help protect car key fobs from potential theft attempts. Size: 19.5 x 13 x 10.5 cm. Material: PU leather. Weight: 560g. Package includes: 1 x Faraday box.