WinSoon Aluminum Kubaton Keychain Self Defense Cylinder Car Window Breaker 1-pc Set (Black) Handcrafted with lightweight aircraft aluminum making the ideal Self Defense Keychain Finger grooves for better control and grip and includes keychain loop Measures 5.5(in) and only weighs 2(oz) will not add stress to your keychain This product is a self-defense weapon, but also a car window breaker Free shipping from New York via USPS: 2-5 working days AOG