The Ameriglo Safety Light Stick (Yellow) offers. reliable glow without the need for batteries or heat. It is used by campers, military, police officers, hikers, and well-prepared citizens. It is also useful for your motor home, campground, or emergency supply box. This safety light is enclosed in individual foil pack to ensure ultra-bright illumination when needed. It’s safe and easy to use especially at accident scenes where chemical, combustible gasses or flammable liquids may be present.