USglow Laboratories Premium 6" 10mm Glow Sticks: Unsurpassed in quality and value, USglow Laboratories brand glow products set a new standard in glow sticks, whether they are being used for fun or safety. Among the thickest glow products available, the USglow Laboratories 6" 10mm glow sticks strike a perfect balance between value and performance. Twice as thick as many cheaper 8" glow sticks available, these will glow very bright for extended periods, essential both in emergencies and for fun. This highly versatile size of glow stick includes removable hook caps, and includes premium lanyards so the sticks can be worn as a necklace, or attached to objects. Like all USglow Laboratories glow products these are labeled with the date of manufacturer and best by date printed under the factory shrink wrap, so you know you're receiving only the freshest, highest quality glow products available.