As seen on Tipsy Bartender! Glo is a lighted drink enhancer that illuminates the container and cycles through a range of colors once it's dropped in liquid. Conveniently sold in packs of 4 units.

Additional Information:

• Glo is safe; non toxic; BPA, Hg, and phthalates free.
• Glo automatically lights up when placed in any beverage and color cycles through 9 different colors.
• Glo dynamically cycles from one color to another, NO jarring or annoying flashing colors.
• Glo turns off immediately when a drink has been consumed or Glo is removed from a beverage. No drying. No waiting.
• Glo is battery operated and sealed tight for safety. The batteries are non-replaceable, but the units are reusable and can last for weeks.