What's Included: You will get a total of 4 pieces of car glass breaker bracelets, 2 pieces of black and 2 pieces of red. Made of 3mm thick high elastic rubber band and tungsten balls. Adjustable bracelet fits wrists of all sizes. A sufficient quantity that you can share with your family and friends.Essential Vehicle Safety Products: Our car safety escape tool is a wristband bracelet style window breaking device. Use elastic force to break side windows with tungsten carbide beads on wrist. This tool is capable of breaking tempered safety glass in tight spaces. (Not applicable to car windshields).EASY TO USE: Our bracelet window breakers are so easy to use, just remove the wrist strap, wrap your thumb and index finger around, pull back, and release. It will break the glass, then you can easily break the glass with your elbow. Fast and efficient.STYLISH DESIGN AND LIGHTWEIGHT: Our Auto Emergency Self-Rescue Bracelet is light in weight and will not look unwieldy. This wristband window breaker is not only an escape tool, but also a great accessory, cool outfit that can be paired with other stylish bracelets. Simple and unpretentious look, but gives you options when you need it. Plus, you can put it in your car without taking up space.BEST GIFT: Our bracelet glass breakers are suitable for all kinds of vehicles, such as cars, buses, trucks, etc. It can be used as a gift for your parents, husband, wife, siblings, friends and teachers and more. This little tool can help you in unexpected situations.Colour: Black+RedMaterial: Tungsten CarbidePackage Contents:2 * Black Bracelet2 * Red BraceletOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.