Doshisha Subzero Mug 450ml For Cold Storage Vacuum Cooling 3 Layer Structure Beer Mug Silver + ON℃ZONE

If you put a drink in a mug frozen in the freezer, the temperature will drop below freezing in no time. Uniquely developed vacuum + cooling 3-layer structure. Vacuum insulation structure keeps it cold. Built-in coolant provides excellent cooling. Unprecedented coldness. Below freezing beer, below freezing highball, below freezing chuhai. By reviewing the structure and coolant formulation from the conventional series, you can experience just the right temperature below freezing. Size (approx.): Width 115 x Depth 89 x Height 151 (including handle) Diameter 89mm