... free for EU/CE/ASTM requirements. (4) Use: Concerts, Entertainment, Emergency Lighting, Night clubs, Fishing and Diving, Parties,Sports Events, Outdoor ... (Wedding, Fireworks, Halloween, Christmas and etc.), Sports Events, Outdoor Orienteering, Emergency Lighting, Industrial and even the Military. By mixing two kinds ... become partners. 10 inch three-color glow stick,10*250mm light stick