Reusable glow stick ideal for festive occasions, as well as emergency use. With twist on, twist off functionality, it can be used multiple times and produces 60 hours of light output. Eco-friendly, non-toxic, and contains no harmful chemicals. Less wasteful than standard one-use chemical glow sticks. 7.75 inches long with a snap carabiner clip for easy attaching to most loops. Available in red, blue, and green. Cannot specify color.