KEEP YOUR CAR SAFE FROM HACKERS: Worried about thieves hacking into your car? Our signal-blocking bags are here to secure your belongings from EMF, RFID, and other hacking signals. No more fear of thieves amplifying your car fob signal to open your car from a distance. SHIELD YOUR KEYS AND CAR: Our key bag is like a shield made of premium carbon fiber material that blocks unwanted signals. It stops phone calls, messages, Wi-Fi, and more. It fits all key fob sizes and protects both your car and credit cards. Just put your car key in the bag, and it's safe from digital threats. USER-FRIENDLY DESIGN: Our bags come with a strong zinc alloy hook and an inner key chain for easy use. Attach it to your pants or bag for convenience. The tested materials ensure durability, so it lasts even with daily use. It's not just reliable but stylish too. PORTABLE AND HANDY: The size of the bag is perfect for easy carrying - just 9.5*14 cm. Pop it in your pocket or bag without any hassle. TRUSTED AND BACKED BY GUARANTEE: Our pouch has been tried and tested for over 5 years on Amazon. Thousands trust it, and we back it up with a money-back guarantee and warranty. Your satisfaction is our priority. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin