This high quality crystal freezer mug, keeps beverages colder than other freezer mugs!

Product Features

• Place in freezer one hour or more prior to use, when frozen crystals will turn a frosty white color
• 16-Ounce mug combines state of the art refreezability with team colors and graphics
• Filled with non toxic, refreezable crystals
• Eliminates the need for ice as the technology keeps drinks “crushed ice” cold for hours without the watered down affect of ice
• Not recommended for Dishwasher or Microwave