|6 Inch High Intensity Glow Sticks are a high intensity glow stick that glows super bright for 30 minutes. These special 6" glow sticks are uniquely formulated to glow brighter than a standard glow stick. 6" High Intensity Glow Sticks are used as safety markers, emergency flares or for any use where you need an intensely bright and safe light source! Our High Intensity 6 inch glow sticks have been used for military operations and are even used for glow stick dancing and glow-stringing! All of our glow sticks including the 6 inch High Intensity Glow Sticks are waterproof, don't give off heat, are non-sparking and are 100% guaranteed not to leak or be duds, so whether you're at a dance competition or on military maneuvers, you know our glow sticks will work every time!