[. . . ] Wash the thermo jug prior to every use with hot water and a gentle cleaning substance. [. . . ] Wash the thermo jug prior to every use with hot water and a gentle cleaning substance. For the beverage contained in the thermo jug to hold its temperature as long as possible, either heat or cool the thermo jug for hot or cold beverages respectively. To do so, rinse the inside of the thermo jug with hot or cold water, or leave such water inside for a few minutes before filling the thermo jug with the desired beverage to ensure best results. Use only soft cloths and never use sharp cleaning tools that may damage the stainless steel thermo jug surface. After washing the thermo jug, leave it open as long as necessary for it to dry prior to further use. [. . . ] Use only soft cloths and never use sharp cleaning tools that may damage the stainless steel thermo jug surface. [. . . ]