Doshisha Sub-Zero Tumbler, 280ml, Cold Insulation, Vacuum + Cooling, Triple-Layered Stainless Steel Tumbler, Silver, ON℃ZONE

Pour a drink into a tumbler frozen in the freezer and it will instantly drop below freezing. Pour a drink into a tumbler frozen in the freezer and it will instantly drop below freezing. Uniquely developed vacuum + cooling triple-layer structure. Vacuum insulation keeps drinks cold. Built-in cooling agent keeps drinks ice-cold. Experience unprecedented coldness. Perfect for sub-zero beer, sub-zero highballs, and sub-zero chuhai. Color: Silver Brand: DOSHISHA