The ZipLit is a simple and versatile illumination device, strung on durable cord that’s easy to loop, cinch, and attach to the end of almost any jacket, purse, coat or purse zipper, and just as easy to remove. The durable, water resistant LED turns on with a simple twist, allowing you to see better, and allowing yourself to be seen. The ZipLit is the perfect way to increase the personal safety of runners, bikers, in fact, anyone out during the dark parts of the day! Available in a single pack, or 2 pack. Battery included and replaceable (replacement included in the 2 pack!).