12 hours of 360 degree illumination per stick No maintenance necessary Made in the USA to ensure highest quality Individually foiled for easy, safe storage Nontoxic, nonflammable and waterproof Meets DLA and NAMSA military specifications ChemLight tactical-grade light sticks aren't some child's toy you find at a party store. They're trusted by tactical operators and special ops groups around the world. In fact, they're standard issue equipment for the US Armed Forces. These red ChemLights provide bright, reliable, 360-degree illumination for up to 12 hours. ChemLight is so bright it can be seen from up to a mile away - so you'll have no problem illuminating small rooms, passages, trails and camps with just a single light stick. ChemLight is waterproof, non-toxic and non-flammable. This light stick has a hook and gate top which keeps it secure whether you're hanging, attaching or stringing them together. To activate ChemLight, simply bend, snap and shake to immediately flood your surrounding area with functional light. These red ChemLights measure 6'' long, there are 10 sticks per pack. Each light stick is individually foil-wrapped for protection from light and moisture and carries a four-year shelf life from date of manufacture. ChemLight meets Defense Logistics Agency (DLA) and NATO Maintenance and Supply Agency (NAMSA) specifications. National/NATO Stock Numbers (NSN) are printed on each product for reference.