It’s a must self-protection tool for you and your family. Comes with a keychain ring, easy to take along with. You may just install it on your key chain, also put it in your bag for convenient use. This product is good for self-defense, but also a car window breaker in case of an emergency. The self-defense key chain is a good tool to protect yourself at any time. Add your company name or logo for maximum visibility for a stand-out presentation. People will be reminded of your brand daily when you imprint your logo on this item.