What kind of thermos is better to buy?

the quality of the kettle depends on the quality of the thermal insulation liner inside. In particular, it is necessary to check that the small tail of the thermal insulation liner cannot be broken.

the shape selection of the thermos is based on the use. For ordinary daily use, it is recommended to use a plastic shell, which will not rust and the price is affordable; The living room can choose carved stainless steel jacket or pneumatic one; If you use it in a study or bedroom, you can use it lighter by choosing a smaller one (2 -3 pounds).

the above is for reference.