The-peacock Thermos Industry (The-peacock) Peacock Stainless Steel Water Bottle, Cup Type, 760ml, Silver, ASJ-81XA

Double-walled vacuum thermos design Cup-type Heat retention: 76°C or higher (6 hours), Cold retention: 8°C or lower (6 hours) Diameter: Approx. 42mm Cold retention: 8°C or lower (6 hours)