How long do glow sticks last for?
Glow sticks will keep for up to two years if stored in the original packaging in dry, cool conditions and safety glow sticks will last up to 4 years. When the glowsticks are activated they will glow for 8 hours or more. Ambient temperatures can effect the intensity and glowing time of glow sticks, hot weather will produce a brighter glow for slightly less time, cool weather will produce a slightly dimmer glow for longer time.
