To Go Tumbler with Plug

  Keep drinks hot (70℃/158℉) for 1 hour. Keep drinks cold (10℃/50℉) for 5 hours. For maximum insulation efficiency, preheat or pre-cool the tumbler prior to use by filling in a bit of hot/cold water for 1-2 mins. DIMENSIONS   360ml MATERIAL   Materials: 18-8 Stainless steel (powder coating) Copolyester, Silicone. BPA Free.  CARE   Do not use in a microwave or oven. Do not place near open flames. When using a dishwasher, please store them in the upper basket to avoid force and weight applied to them.