16oz Light Up Party Cup

They offer a choice of 3 light functions: slow flash, fast flash, and constant on. Perfect for a variety of occasions including birthdays, weddings, holidays, neon parties, raves, LGBTQ Pride events, and office parties. Batteries are included and already installed. This color-changing cup is ideal for all cold and room-temperature drinks. Add an extra touch to your ice cream shakes by serving them in these neon light-up cups. The cups are safe, non-toxic, and reusable. Please hand wash only, as they are not safe for the microwave or dishwasher.