... windproof4) No heat, flame and sparks, no battery required 5) Conform to EN71 and ASTM F963 standards6) Storage life: ... 2 - 3years7) OEM acceptable9) One color imprint on glow stick10) Usage: promotions, giveaway, carnivals, gifts, special events, ... , camping, banquet, festival, celebration, outing fields, survival Kits, glow bowling hunting, fishing, fire department, military, power outage, and ...