This mini LED glowstick is a compact yet powerful source of illumination, perfect for safety or for fun. An excellent alternative to traditional chemical glowsticks, the glowstick has a sleek design and a simple twist on/off function. It also features batteries that last over 60 hrs and can be easily replaced. Waterproof and equipped with an S-biner for clipability, these colorful glowsticks are perfect to keep in your car or home emergency kit or simply to have on hand for hours of nighttime visibility and safety.