AmeriGlo light sticks are rated as an industrial grade, mil-spec light stick, ideal for long term storage, and use in all weather conditions. These non-toxic light sticks are available in multiple colors for brighter, more versatile use with longer illumination than novelty grade glow sticks.
A must for emergency supplies or anytime you venture into the outdoors. These are great for power outages. Carry some in your auto and it break down you can place then on the side of the road behing the car to warn other drivers.