[Product Information]

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• This night glowing cup use colorful LED lamp， A variety of multicolor lights flashing alternately for beautiful illuminating and enhance romantic amazing atmosphere at home， bar or clubs， Long service time
• Made of high quality clear ABS edible plastic， non-toxic and food and drink safe， look like glass， but durable， filled with non-toxic freezable gel， safe material that can be even put into your water/drink glass cup for lighting up
• The LED Flashing Glowing Cups are liquid activated - the LEDs automatically switch on when placed in water and off again when you take them out
• High efficiency and energy saving. Powered by 2 CR2025 Batteries(included)， easily replace the batteries with a coin
• Without flame， wax smoke or mess， flickering with dreamlike feeling. Perfect for wedding， party， bar， club， and other holiday decoration with amazing looking in dark atmosphere