A glow stick is a self-contained, short-term light-source. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence, so it does not require an external energy source. Here at Outdoor Shopping we offer the best high quality, high intensity long lasting glow sticks in pink, red, purple, neon, blue, green, orange, yellow, long small, mini, and big, just to name a few. We also sell in bulk. Glow Sticks They can tolerate high pressures, such as those found underwater. They are used as light sources and light markers by military forces, campers, and recreational divers.  Glow sticks are considered the only light source that is safe for use immediately following any catastrophic emergency situation, because they do not use any kind of outside power source and do not create any danger of sparking or heat. They can also be used in night-time fishing as a lure. Great for, industrial, necklaces, rave, party, wholesale, glow in the dark, snap light, basketball, and flag football.