Aogist 100pcs multicolor balloon lights are versatile LED round lamps designed for decorating balloons, paper lanterns, and floral arrangements. Made of durable, waterproof ABS, these lights can be submerged without damage, making them perfect for indoor and outdoor use at parties, weddings, and festivals. Each light features a multicolor blinking LED, powered by 2 LR41 batteries included, with a diameter of about 1.7cm. They can last over 12 hours, providing bright, colorful illumination to create memorable atmospheres. Use them in vases, pools, or as emergency torches when needed. Easy to operate, reinsert the plastic tab to reuse. Delivered tracked via ExpressBox, arriving in 11-13 days.