Michigan Wolverines Single Crystal Freezer Mug from Duckhouse
The latest, greatest, and coldest! This NCAA 16-oz mug from Duck House combines state-of-the-art refreezability with color-coordinated handle and base, combined with your favorite team colors and logos. The crystal technology keeps drinks cold for hours without the watered-down affect of ice! To use, place in freezer for one hour or more, where frozen crystals will turn a frosty white color. Not for use with dishwashers or microwaves.