These Jumbo Military Glow Sticks are ideal for use on night exercises as checkpoint markers and can also be used as an emergency light source due to their intense, long lasting colour. Providing over 8 hours burn time these monster sized glow sticks are easy to see in the dark. Just bend the tube until it snaps then shake to activate. Length - 14 inches. Weighs – 181 grams. Colour – Yellow.