Features:_x005F_x000D_Safe Material. The flute cups are made of food-grade plastic, there are no adverse effects on human health. Safe for drinking._x005F_x000D_Liquid Activated. Two tiny pins on the bottom to activate the LED, LED lights up when liquid is poured into the cup, lights off once the cup is empty. A pretty effect as the colored light reflects off the sparkly crystals embedded in the bottom of the glass, then shines through the liquid in the glass._x005F_x000D_The LED's life can last for 24 hours in total with CR1220 button batteries. It can also be a normal Champagne glass._x005F_x000D_Eye-Catching. A nifty novelty item for parties and any kind of get-together, a huge access to be a hit at a party. In a lighted room, it will draw attention, but in dim light, it is a real eye-catcher, especially in the multi-color mode, really pretty and added a fun vibe._x005F_x000D_Perfect Gift. Champagne glasses make for an awesome gift Colorful LED Cups create a festive mood and a decorative way to serve champagne or wine, Perfect for club decorations,Halloween decorations, house decoration uses, bar birthday decorations, parties decorations, characteristics,_x005F_x000D_Note: Actual color may be slightly different from the image due to different monitor and light effect._x005F_x000D_Specification:_x005F_x000D_Material: PS_x005F_x000D_Size: 6.8*H18cm, Caliber 5.2cm_x005F_x000D_Volume: 150mlPackage List:_x005F_x000D_6 x Cups