... ) Non-toxic, non-flammable, non-radioactive 6"chemical glow stick China with string /glow in the dark 1) No heat, flame and sparks, no battery ... 5) Color: Multiple colors green, blue, pink, red, orange, white, purple and yellow available 6) Usage: Promotions, giveaway, carnivals, gifts, special ... with water. If discomfort continues, seek medical advice. 6"chemical glow stick China/glow in the dark