Festive Glow stick ideal for Parties,Dances,Firework,Displays,Halloween.ect. Continuous glowing ... and parties 2) Glowing time: 8-12 hours 3) Non-toxic, non-flammable, non-radioactive, waterproof, windproof 4) No heat, flame and sparks ... , purple and yellow available) 9) One color imprint on glow stick 10) Usage: promotions, giveaway, carnivals, gifts, special events, Halloween, party ...