High Quality MaterialMade of high quality and lightweight aluminum, with the key ring, it can be easily hidden on the body and is ready to use even faster. KeychainComes with key ring, easy to take with you. You can simply install it on your keychain, as well as put it on your bag. MultifunctionIt is also a car window breaker, a good device for window or other glass to break the car to avoid accidents. Easy to UseEven with little effort, the pressure intensifies several times. Therefore, it is suitable for both women and men. Includes 3 metal keychainsA set of keychains not only meets the needs of their own use, but also can be given to friends. It's an essential self-protection tool for you and your family.