Cyalume Mini ChemLight Military Grade Chemical Light Sticks &ndash; 4 Hour Duration Light Sticks Provide Intense Light, Ideal as Emergency or Safety Lights, for Tactical Applications, Trail Marking, Map Reading and Much More, Standard Issue for U.S. Military Personnel &ndash; Yellow, 1.5&rdquo; Long (Pack of 50) INTENSE LIGHT OUTPUT FOR UP TO 4 HOURS means you can get the job done when electric light isnt an option. The patented, long-lasting formulations in our ChemLight chemical light sticks provide up to 4 hours of 360 degree illumination. ChemLights are the official chemical light of the U.S. military - theres no better alternative available. SMALL AND COMPACT YET BRIGHT AND DEPENDABLE, these mini light sticks fit anywhere and provide enough light for tactical and recreational applications. Keep them in a first aid kit, emergency go bag, your car, near your bed and much more  theyre sure to fit in any space. VARIETY OF USES  Whether youre using these chemical light sticks for tactical applications, as part of your first aid or emergency kit, for trail marking, map reading, breadcrumb trails or even just for your children to play with, you can be sure they will provide just the right amount of light necessary. WATER-PROOF, NON-FLAMMABLE, NON-TOXIC CHEMISTRY means ChemLight light sticks are as safe as they are durable  you can even let your children use them when hiking or playing in the backyard. Also ideal for confined space, underwater and tactical applications. MADE IN THE USA UNDER STRICT QUALITY GUIDELINES to ensure each light stick works without issue. Competitors adhere to military guidelines  ChemLight is the gold standard. These light sticks also come with a guaranteed 4-year shelf life and individual foil wrapping. Theyll be safely stored and ready to go when you are!