This product is made of plastic and comes with three built-in AG13 batteries. It features high-quality LED beads that provide bright yet soft illumination, ensuring comfortable viewing even during extended use. The glow stick offers three lighting modes: flash, slow flash, and constant light, which can be freely switched according to your needs. With a variety of color options and lighting effects, it adapts to different occasions and easily creates a diverse range of atmospheric effects. 10'' L x 1'' D