Light up your festivities with our 16 oz. LED Multi-Color String Light Double Wall Cup! Featuring vibrant LED string lights between its double walls, this clear plastic cup offers multiple light modes: fast flash, slow flash, and constant on. Complete with a lid and straw, it's perfect for serving signature drinks at weddings, birthdays, anniversaries, and other lively parties. Each cup comes with (3) replaceable AG13 batteries. Sold individually, please order by the cup. Reusable and hand-wash only. Note: Scratches and hairline cracks in LED acrylic cups are normal and not considered defective.