The 4" Glow Stick with Elastic Cap is a bright, popular, versatile light stick that is an instant hit wherever it goes! The removable elastic cap loop means you can attach them to almost anything you can think of! Put them on belt loops, Halloween costumes, add them to gift wrapping (great for kid's birthday presents), gift baskets, backpacks, you name it. The brilliant colors emit a gorgeous luminescent glow, which lasts 6 to 8 hours, meaning these 4" glow sticks are sure to last as long as your party! To activate, just bend the 4 inch Light Stick enough to break the internal glow capsule. Shake to mix and start the glow! The pre-attached elastic cap is removable.