This stick creates light all night for your party, concert, sports event, or just for fun. They are waterproof and perfect for camping in the dark, hunting, fishing, climbing, scuba diving, and more. The fact no batteries are required makes these premium light sticks a great alternative light source you can use in an instant. Then enjoy about 12 hours of light from each stick. Lanyard hold at top lets you attach to shoe string or hang on wall, tree, lamp or anywhere else you.