1. Features: 2. Safe Material: The flute cups are made of food-grade plastic, with no adverse effects on human health and suitable for drinking. 3. Liquid Activated: There are two tiny pins on the bottom to activate the LED, which lights up when liquid is poured into the cup and turns off once the cup is empty. The colored light reflects off the sparkly crystals embedded in the bottom of the glass and shines through the liquid, creating a pleasant effect. The LEDs have a total lifespan of 24 hours with CR1220 button batteries, and the cup can also be used as a normal champagne glass. 4. Eye-Catching: It is a nifty novelty item for parties and various get-togethers, helping to make the event more engaging. In a lighted room, it can attract attention, and in dim light, especially in multi-color mode, it is quite eye-catching and adds a fun vibe. 5. Perfect Gift: Champagne glasses can be an awesome gift. Colorful LED cups help create a festive mood and serve as a decorative way to serve champagne or wine, suitable for club decorations, Halloween decorations, house decorations, bar birthday decorations, and party decorations. 6. Note: The actual color may slightly differ from the image due to different monitors and light effects. 7. Specification: 8. Material: PS 9. Size: 6.8*H18cm, Caliber 5.2cm 10. Volume: 150ml 11. Includes: 6 x Cups