Cyalume® ChemLights™ are waterproof, durable, self contained and ready all the time, every time. Field tested and proven effective, 6” ChemLights are easy to use, easy to identify and dispose of during military and federal government operations and training. Recommended for shift signals, drop zones, and hazard markers. Perfect for survival, first aid, and evacuation kits. Individually foil-wrapped for light and moisture protection.