This is vaunting, this is cool! No matter where you are in include the bar, discos, or dinner party, or romantic candlelight dinner. -It is to show the glare of the colorful lights when Raising your hand. - best for gift to family, friend. made for kids. -The beer mugs are made of translucent plastic and light up in several different colors when you turn them on. - Holds 350 ml of liquid. Material: Fiberglass. -These LED mugs can also be used for root beer floats. -It turns off when there is no liquid left. -Guaranteed to build moods for your party. -Both romantic and practical. -Long battery life. -Multi color flashing led. Description: Material:plastic Size: 11 x 8 x 9.5 cm (LxWxH) Color?Clear Add fun and vitality to your life. Applicable occasions: bars, halls, living room, wedding, banquet, pavilion After adding the liquid to the cup, the colorful light will be emitted Package Content:1 x Color Changing Cup