Features:<br> Safe Material.<br> The flute cups are made of food-grade plastic, there are no adverse effects on human health. Safe for drinking.<br> Liquid Activated.<br> Two tiny pins on the bottom to activate the LED, LED lights up when liquid is poured into the cup<br> , 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.<br> The LEDs life can last for 24 hours in total with CR1220 button batteries. It can also be a normal Champagne glass.<br> Eye-Catching.<br> 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.<br> Perfect Gift. Champagne<br> glasses make for an awesome gift<br> 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,<br> Note: Actual color may be slightly different from the image due to different monitor and light effect.<br> Specification:<br> Material: PS<br> Size: 6.8*H18cm, Caliber 5.2cm<br> Volume: 150ml<br> includes:6 x Cups