Thank you for looking. [New and unused] *Immediate purchase OK. COMME CA 2-way vacuum double tumbler Size: Diameter 8.6 (bottom 6.8) H12cm Practical capacity: 0.45L ■ Vacuum double structure Keeps drinks at a delicious temperature with heat and cold retention functions. It won't sweat even with ice, so you can use it with peace of mind on your desk. ■ As a hot/cold tumbler You can pour drinks directly into it and use it as a tumbler. ■ As a drink holder You can place paper or plastic cups from convenience stores, coffee shops, and fast-food restaurants directly inside. *Recommended size: Regular size/M size [Quality display] Product name/Stainless steel vacuum double tumbler Practical capacity/0.45L Material/Stainless steel Heat retention effect/46 degrees or higher (1 hour) Cold retention effect/7 degrees or lower (1 hour) ● Heat retention effect is the temperature of the hot water after leaving it for 1 hour from when the hot water reaches 95°C ± 1°C, when hot water is put into the product and placed vertically at a room temperature of 20°C ± 2°C. ● Cold retention effect is the temperature of the cold water after leaving it for 1 hour from when the cold water reaches 4°C ±, when cold water is put into the product and placed vertically at a room temperature of 20°C ± 2°C. *Not microwaveable Please only purchase if you understand that this item is stored at home.