LC Industries 4" Cyalume on sale and available on our online store. You wouldn't want to be on the side of the road without a cyalume lightstick. LCI Chem Lights are non-toxic and non-flammable source of light. These Cyalume Chemlight Light Sticks from LC Industries provide instant, safe, reliable and effective lighting without head, sparks or flame. The compact size of these glow sticks, make them easily portable. When the chemlight is snapped two safe chemicals mix inside the plastic casing to create a 360-degree bright instant light. Designed for emergency, safety and signaling use, a snaplight is one of the best tools you can have around. In the event of a blackout, evacuation or severe weather, these glow in the dark novelties are extremely handy. LCI 4 inch Chem Lights are individually wrapped, waterproof and maintain a maximum shelf life of 48 months.