1)Glowing time: 8-12-48 hours 2) The shelf life is between 2 and 3 years. 3) Our ingredients are NON-TOXIC, NON-FLAMMABLE, NON-RADIOACTIVE and can even bePHTHALTES FREE to meet the latest EU&USA requirements. 4) They can be safely used for: Concerts/Entertainment, Emergency Lighting, Night Clubs, Fishing & Diving, Parties, Sports Events, Outdoor Pursuits, Industrial and Military etc.