... 6) Storage life: 2 - 3 years 7) OEM acceptable 8) Color: multiple colors (green, blue, pink, red, orange, white, purple and ... yellow available) 9) One color imprint on glow stick 10) Usage: promotions, giveaway, carnivals, gifts ... ; fishing, fire department, military, power outage, camping, fireworks Glowing In Dark Party Glow sticks