Features - Color: As shown. - Material: PS. - Size: 9.7 x 8 x 5.5cm. - Battery power: 2 built-in CR2025 button batteries, can be replaced. - Capacity: 285ml. - Great drinkware party favors or decoration for Christmas, New Years Eve, birthdays, weddings, shots, bars. - Once you pour water, wine or juice into the LED cup, it will light up and will not stop until you drunk or drained the water. - Flickering in the with dreamlike feeling,make you enjoy different drinking moment with this light up cup. - Can be uesd as a surprise gift for party lovers. - You can drink water, wine, juice with this creative water sensitive mug, and you will get different feelings. - Warm Tip: Dear buyer, Due to lighting effect, monitor& 39;s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand