* this product has the function of heat preservation and cold preservation. Keep hot for more than 10 hours and cold for more than 24 hours

Matters needing attention and treatment:

* please clean the product before using it for the first time or for a long time.

* for the sake of safety and hygiene, warm water and neutral detergent should be used before storing cold and hot food to avoid burst caused by sudden cold and heat.

Cleaning method:

* after use, remove food residue with warm water or mild detergent.

* in case of difficulty in removing stains, fill the product with hot water, put a teaspoon of baking soda into it, tighten the cap and wait all night, and wash the product when used again.

* please do not soak the whole product in water.