Best Car Key Signal Blocking Bag: To protect your car before accidents happen, this car key bag is the best choice for your car protection. Shielding bags can effectively block all signals inside the bag. The shielding bag is made of high-quality carbon fiber texture material, simply put the car key into the bag, it can ensure that the RFID car key box can 100% block all signals. The keychain protector has two bags, and each car owner has two car keys, so the spare keys should also be well protected. In addition to the keys, the front pocket also has a radiation-proof function, which is most suitable for storing ID cards and is very convenient. Our keyless car faraday bag measures 14cm (5.51in) x 9.5cm (3.54in). You can hang it on your pants or put it in your purse. , this is the luxury car key bag you can't miss