It is designed to be extra strong and durable. It has a double wall of vacuum glass, which ensures particularly effective hot/cold retention and insulation.
To ensure that you enjoy your purchase for a long time, please observe the following rules for using your LEIFHEIT thermos:
1. The push button makes it easy to use with one hand.
2. Rinse and clean thoroughly with lukewarm water before use. Do not wash in the dishwasher.
3. To open the thermos, turn the top counterclockwise.
4. For better heat or cold insulation, rinse the thermos with hot water before pouring hot drinks and with cold water before pouring cold drinks. Never use a microwave or oven to heat the thermos.
5. Better insulation is provided if the thermos is filled with liquids. For example, hot coffee is kept warm for about 20 hours. The thermos should not be used to keep warm dairy products, baby food or drinks containing carbon dioxide (carbonated drinks).
6. Cleaning the thermos: Outside: Rinse with clean water, using a liquid cleaner if necessary. Inside: Rinse with clean water only. Tea and coffee residues can be easily cleaned with denture cleaner. Rinse thoroughly after cleaning. Never immerse the thermos completely in water.
