【Safety Escape】: Our wristband bracelet can shatter the tempered glass of car windows with very little pressure, it is a special car safety escape tool. When an emergency occurs, just one click from the wristband is enough to shatter the side window of the car and open the escape exit for you..【Reliable & Convenient】: This car window breaker is made of elastic strap and tungsten carbide bead for excellent strength and reliability. Lightweight and very convenient, you can wear it on your wrist (5.5 inches-10.2 inches adjustable wearing range) and carry it around with you to respond to emergencies at any time..【Easy to Use】: It is very easy to use, just remove the wrist strap and put it on your thumb and index finger. Then pull the tungsten carbide bead close to the glass, like a slingshot. Release it and the bead can use the force to break the glass. It doesn't require much force to do it, friendly to women and kids..【Widely Used】: Our bracelet glass breaker is suitable for all kinds of vehicles, such as cars, SUVs, buses, trucks, etc., easily shattering windows. (Note: It is not effective for car windshields, only for tempered glass on side windows.) Simple but not ostentatious appearance, suitable for men, women and children to wear..【Best Gift】: Not only a simple and understated bracelet, but also a practical car side window breaker, perfect as a gift for loved ones, friends or children. This gadget can help them in unexpected situations and provide a layer of security for their safety, a very thoughtful gift.