... 12 hours 3) Non-toxic, non-flammable, non-radioactive 6"chemical glow stick China with string /glow in the dark 1 ... concert, dance hall, camping, banquet, festival, celebration, outing fields, survival kits, glow bowling hunting, fishing, fire department, military, power outage, fireworks ... with water. If discomfort continues, seek medical advice. 6"chemical glow stick China/glow in the dark