CAR KEY - This signal blocker is made of high quality leather and with a strong protective inner layer, provides a complete signal block for your car keys to prevent car thieves from picking up your key fob signal ALL-IN-ONE - New updated design, wear-resistant non-slip leather outer layer, nano-plated metal inner layer and strong zipper, provides extra security for car key fobs by blocking the signal, protect your car 100% STYLISH AND SMART LOOKING - This car key blocking bag features a sturdy zipper and a large key fob clip that holds firmly when attached. The outer layer is made of high quality carbon fiber material and the inner metal box has better signal isolation, you can hang it on your belt, inside your coat or bag. And there is a chain to secure your car keys from the inside GOOD GIFT CHOICE - Well made and high quality, has the advantage of preventing thieves from copying your car signal, it is good for anyone who is security conscious