Ampper Escape Tools, Antiskid Car Escape Hammer Window Breaker w/Seatbelt Cutter - Green Glow In The Dark (Green, 2 Pack) Glass breaker: anti-skid designed stainless steel double-sided head to break glass window in an emergency. Seatbelt cutter: razor sharp swainless steel blade cuts through seat belts. Bracket include: protect for the hammer heads and steel blade. Will not fall even in a collision, but still allows easy removal. Green glow in the dark, pls keep it illuminated in the day, or the green light may very weak. 2 pack packaged, pls break edge of side window if needed, the the front windshield and rear window is stoutness.