Reliable material: the light up cups use acrylic material instead of glass, stronger, durable and not easy to break; Transparent color makes the cups clearly show the flashing colors when switching on the button

Colorful LED lamp: the fun drinking glass comes with an on/ off switch, which uses colorful LED lamp so you can see a variety of lights flashing alternately when turning on the switch; 3 Button cells are installed at the bottom of the cup, energy-saving, high-efficient with long service life

Add fun ambiance: these flashing light cups will bring you surprising visual appeal when you shut off the light in the room or party; The flashing effect also helps your guest remember which one is his cup while adding a fun ambiance to your gathering

Light up the event: the LED drinking tumblers are great party favors or decoration for nightclub, holiday parties, birthdays, weddings, sporting events, festivals, night events, bars, etc., they will light up the event and make your event memorable