Feature: 1. Emergency Tool: The window breaker wrist strap is a necessary vehicle safety product, can break the safety glass in a limited space, can be used in the emergency situation. 2. Easy to Use: The window breaker bracelet is very easy to use, simply remove the wristband, place it on your thumb and index finger, pull back and release, then breaking the glass. 3. Easy to Carry: The window breaker emergency tool is lightweight, portable and fully adjustable, made of elastic rubber band and tungsten carbide gear, having excellent strength and portability. 4. Decorative Bracelet: The emergency glass breaker bracelet is not only an escape tool, but also a great accessory, can be paired with other stylish bracelets, simple and plain look, can be a stylish decoration. 5. Perfect gift: The wrist strap escape tool is suitable for all kinds of vehicles such as cars, buses, trucks, etc., can be given as a gift to your parents, husband, wife, siblings, friends, teachers, etc., can help you in emergency situations. Specification: Item Type: Car Window Breaker BraceletMaterial: Elastic Rubber Band, Tungsten Carbide Gear Fitment: Universal For Cars, Buses, Trucks. Package List: 1 x Car Window Breaker Bracelet Note: The bracelet window crusher is not suitable for car windshields. It is only effective on tempered glass commonly used in side windows.