Doshisha Sub-Zero Tumbler, 280ml, Vacuum & Cooling, Triple-Layer Stainless Steel Tumbler, Gold, ON℃ZONE

Just pour a drink into a tumbler frozen in the freezer and it will instantly drop below freezing. Just pour a drink into a tumbler frozen in the freezer and it will instantly drop below freezing. Our proprietary vacuum and 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: Gold Brand: DOSHISHA