Features: Material: acrylic Flash time: approx. 24 hours Color: 4 colors flicker: red, green, blue, yellow change automatically Capacity: 200 ml Size: 8.5 * 8.5 * 9.5 cm Weight: 0.192 kg / pc Package content: Cup * 4 AUTOMATICALLY ON OFF: Simply add liquid to activate the multi-colored flashing LEDs at the bottom of the cup. The lights go out when the cups are empty. When activated, the LEDs flicker, change color and light up in a beautiful rhythm that is guaranteed to inspire you. PERFECT FOR PARTIES AND SPECIAL OCCASIONS: Best party items or decorations for Christmas, New Years Eve, birthdays, weddings, recordings, bars, Night clubs or discos. AVAILABLE LIQUIDS: Water, beer, wine, whiskey, vodka, martini, drinking utensils, coffee, tea, etc. ELEGANT, CUT GLASS DESIGN: The sparkling pineapple crystal style design brings in the flashing LEDs for A cool lowball glass that your guests and friends will remember and desire.