ZDD A Essential Vehicle Safety Product : car safety escape tool is a wristband bracelet style window breaking device.The tool offer the capability to break tempered safety glass in a confined space. Easy to Use : Our bracelet car window glass breaker is very easy to use, just remove wrist strap, place around thumb and forefinger, pull back on the projectile and release.It will break glass and looks innocuous. Easy to Carry : Lightweight, fully adjustable, and discreet. This car emergency self rescue tool are made of an elastic rubber band and a tungsten striker bead, which has excellent strength and portability. Fashion With Purpose : The little piece of gear look very cute, and the adjustment of it gives you the perfect fit. The wrist strap window breaker not only an escape tool but also a good accessory, cool piece of gear, can goes with the rest of other fashion bracelets. Simple unassuming look but that gives you options in times of need. Best Gift : Our bracelet glass breaker is suitable for various vehicles such as cars, buses, trucks, etc. It can be given as a gift to your parents, husband, wife, siblings, friends and teachers, and even more.This gadget can help you in unexpected situations. Please Note : The bracelet window breaker does not work on car windshields. It is effective only against tempered glass commonly used in side windows. Size about 10*6MM color: black