1. Protection function: The door cannot be opened if the key is in the suitcase. Your car key is very well protected against possible attacks in the small key pocket 2. act Compact protective cover: The case is very light and a reasonable size. Perfect for every pocket and you can always take the bag with you 3. Long lifetime: Thanks to the high-quality shielding cloth, it is much more durable. If the shielding function wears off within a year, we will replace you 4. Practical hook: There is a hook on the outside of the bag that can be hung on jeans or a keychain. Protect your car at all times 5. Smart Design 2-pocket design provides extra space for various items. The inner pocket is made of signal blocking material. Make sure you put your key fob in this pocket. The front pocket is best for storing driver's licenses, credit cards, etc.