Cyalume Chemlights© are the only milspec chemical light sticks available on the market.  These 6” Chemlights© provide instant 360° illumination that can be seen up to a mile away.  Chemlights© are used heavily by military, law enforcement, and first responders as marking devices.  Their use potential is unlimited.  To activate, simply bend, snap, and shake the tube.  Cyalume Chemlights© meet Defense Logistics Agency (DLS) and NATO Maintenance and Supply Agency (NAMSA) specifications.  Each Chemlight© comes individually sealed in protective foil for protection from light and moisture, giving them up to a 4-year shelf life from date of manufacture.