Extremely capable thermos bottle in the highly efficient Thermos Isolationtechnology. There is a special coating on the stainless steel on the inside between the both walls. With this technology, the bottles reach enormous values of isolation. The beverage remains hot up to 12 hours (1 Liter up to 24 h) or cold up to 24 hours. A handy and slim design with a two-piece stopper for non-drip pouring.