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 relay attacks that could allow unauthorized access to your vehicle. SHIELD YOUR KEYS AND CAR: The bag features a protective layer that helps block unwanted signals using high-quality materials. It helps block phone signals, Wi-Fi, and other transmissions. Designed to fit most key fobs and also provides protection for credit cards. Simply place your key inside to help safeguard against digital threats. USER-FRIENDLY DESIGN: Equipped with a durable zinc alloy hook and an internal key ring for easy attachment. Convenient to carry on your person or bag. Constructed with tested materials for long-lasting use. Combines functionality with a sleek appearance. PORTABLE AND HANDY: Compact size measures 9.5 x 14 cm, making it easy to carry in a pocket or bag without bulk. TRUSTED AND BACKED BY GUARANTEE: Designed based on years of testing and feedback. Backed by a money-back guarantee and warranty. Customer satisfaction is our priority.