KEEP YOUR CAR SAFE FROM HACKERS: Worried about thieves accessing your car remotely? Our signal-blocking bags help protect your belongings from EMF, RFID, and other unauthorized signals. Prevent potential signal relay attacks by keeping your key fob secure. SHIELD YOUR KEYS AND CAR: This key bag features premium materials that block unwanted signals, helping to prevent remote access. It accommodates various key fob sizes and can also safeguard credit cards. Simply place your key fob inside to block digital threats. USER-FRIENDLY DESIGN: Designed with a durable zinc alloy hook and an inner key chain for easy attachment to bags or clothing. Built with tested materials for long-lasting daily use, combining functionality with a sleek look. PORTABLE AND HANDY: Compact size measures approximately 9.5 x 14 cm, making it easy to carry in pockets or bags. TRUSTED AND BACKED BY GUARANTEE: This product has been tested and improved over years of development. Backed by a money-back guarantee and warranty for customer satisfaction.