FeaturesSafe material.The flute glasses are made of food grade plastic, there are no negative effects on human health. Safe to drink from.Liquid activated.Two small pins on the bottom to activate the LED light, the LED light turns on when liquid is poured into the glassthe lamp goes out when the glass is empty. A nice effect when the colored light reflects from the sparkling crystals embedded in the bottom of the glass, and then shines through the liquid in the glass.The LED lights can last up to 24 hours in total with CR1220 button batteries. It can also be used as a regular champagne glass.Eyecatching.A stylish novelty for parties and all kinds of gatherings, a great way to be a hit at a party. In a lit room it will attract attention, but in low light it is a real eyecatcher, especially in multicolor mode, really beautiful and creates a fun atmosphere.Perfect gift. Champagne glassmakes a great giftColorful LED glasses create a festive atmosphere and a decorative way to serve champagne or wine, perfect for club decorations, Halloween decorations, home decorations, bar birthday decorations, party decorations, properties,Note Actual color may differ slightly from the image due to different monitors and lighting effects.SpecificationMaterial PSSize 6.8H18 cm, Caliber 5.2 cmVolume 150 mlcontains 6Glass