Doshisha Subzero Mug 450ml For Cold Storage Vacuum Cooling 3 Layer Structure Beer Mug Gold + 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. Size (approx.): Width 115 x Depth 89 x Height 151 (including handle) Diameter 89mm Brand: DOSHISHA