Military Specification Chemical Luminescent 6" Light Sticks Green 12 Hour Duration Box of 10 Oxalate solution is held in a breakable glass vial within the plastic tube containing the activator. Activated by flexing the plastic breaking the inner glass tube and shaking to combine components. Plastic tube will not leak or break when subjected to an external pressure equivalent to 30,000 Ft Wrapped in foil indicating opers and handling instructions, expiration date, lot no and color-coding Mfr shall provide evidence that components are not highly toxic, toxic, corrosive or irritant