The Cyalume SnapLight brings light to dark places. A cornerstone of emergency preparedness, survivalist and general safety plans for decades, these heavy-duty light sticks aren?t some glow stick you pick up at a party store. SnapLight provides bright, reliable, 360 degree illumination for up to 12 hours. The green SnapLight is so bright it can be seen from up to a mile away - so you can rest assured knowing it will provide enough light for rooms, hallways, stairwells or your walk back to camp. SnapLight is waterproof, non-toxic and non-flammable. The light stick has a hook and gate top, for hanging, attaching or stringing the lights together. To activate SnapLight, simply bend, snap and shake to immediately flood your surrounding area with functional light. Each green SnapLight measures 6? long, 10 sticks per pack. Each light stick is individually foil-wrapped for protection from light and moisture and boasts a five-year shelf life from date of manufacture. For technical specifications, see the Material Safety Data Sheet below. The maker of SnapLight, Cyalume, is a pioneer and world leader in chemical lighting solutions for tactical and safety applications. Trusted by the US Military and government agencies for over 40 years, you can rest assured knowing that our products will perform when they are needed most - without question. All Cyalume products are expertly engineered and crafted in the USA to strict quality standards.