1, stainless steel, stainless steel is a very common material of kettle liner in the market. Stainless steel is not easy to rust, easy to clean and extremely durable, which is a very cost-effective choice. When purchasing stainless steel kettles, you should pay attention to purchasing food-grade stainless steel kettles.

2, glass, many health pots on the market are made of glass. This health pot has the function of boiling water. Its advantages are transparent appearance, better understanding of the depth of water when receiving water, and convenient for us to observe the state of water in the pot.

3, ceramics, the advantages and disadvantages of ceramic kettles are very obvious. Its advantages are beautiful appearance, health, non-toxicity and environmental protection. However, such a kettle is easy to break down. If we don't have pets such as cats and dogs or lively friends at home, ceramic kettles will be a good choice.