* this product has the function of protecting heat and cold. Heat protection for more than 10 hours, cold protection for more than 24 hours

* applicable to company welfare, company opening, product gift, etc. It is also a necessary product for modern families.

Matters needing attention and handling methods:

* when you use this product for the first time or have not used it for a long time, please wash it first.

* for the sake of safety and hygiene, warm and cold food should be stored before washing with warm water and neutral detergent, so as to avoid sudden cold, sudden heat and cause burst.

Cleaning method:

* wash food with warm water or neutral detergent after use.

* if it is difficult to remove stains, please fill the product with hot water, put a teaspoon of baking soda into it, tighten the bottle cap and wait overnight, and clean the product when it is used again.

* do not immerse the whole product in water.