These colorful light up foam_sticks are a popular choice for birthday parties, Concert, Weddings, Festivals, glow party,nightlife, raves,Christmas Celebrations, Bars, and any other event. These LED_Foam_Sticks are used at many clubs all over the world. With its multifunction lighting, you’ll be able to control the vibe of any room. Has different lighting color modes, multi-colored flashing sequence, a color changing sequence and more. Replaceable batteries are included inside each led foam_tubes, flashing led sticks have an On and Off switch function for saving battery life when not in use If you encounter quality problems when using party sticks, we will provide service to each customer. Please contact our customer service for free for return, refund and replacement.