One of our bestselling cups of all time! Watch this item change color before your eyes when a COLD beverage is added :) The star of the show is the color-changing Christmas lights that adorn this glass can cup. Watch as the lights transition through a spectrum of festive colors, creating a captivating display that's sure to mesmerize your friends and family. The cup comes with a sustainable bamboo lid and straw, adding a touch of natural elegance to your festive drinking experience. The lid helps keep your beverages at the perfect temperature, and the straw ensures easy sipping. Crafted from high-quality glass, this cup not only provides a clear view of the mesmerizing lights but is also designed for durability and long-lasting use.