Battery operated and replaceable LED glow sticks are just what the doctor ordered. Incased in a glow-in-the-dark housing, these chemical-free light sticks are not only practical and environmentally friendly, but they save money. Ideal for illuminating floats, boats, rod tips, and kayaks. They're also great for attaching to your person for increased visibility. The 5" sticks come in white or blue and include 2 complete sets of batteries. Additional batteries can be purchased from a variety of retailers.