FULL SET - Includes 24 pieces of flash light-up cups (2-ounce capacity), ideal for parties, family gatherings, and entertaining guests. Enjoy shared moments with friends and family. Reliable Material - Made from durable acrylic instead of glass, these cups are strong, long-lasting, and resistant to breakage. The transparent design enhances the visibility of the colorful flashing lights when activated. Colorful LED Lights - Each cup features an on/off switch that activates vibrant LED lighting, creating a dynamic display of alternating colors. Powered by 3 button cell batteries (included), these lights offer energy-efficient, long-lasting performance. Enhanced Ambiance - These glowing cups add exciting visual effects to any event, especially when lights are dimmed. Perfect for birthdays, weddings, nightclubs, holiday celebrations, festivals, sporting events, concerts, bars, and other night-time gatherings. Ideal for use at music festivals, parties, or special events—help your group stand out with fun, illuminated drinkware. Product from ChunChuan's store