1. Before using the new product, it must be washed with boiling water or detergent several times for high temperature sterilization. The effect of killing bacteria has been achieved.
2. Before use, please preheat with boiling water for 5-10 minutes to make the insulation better.
3. Do not overfill the water to avoid boiling water and scalding when tightening the lid.
4. After drinking, please tighten the lid to ensure clean and hygienic.
5. When cleaning, it should be cleaned with a soft cloth and a detergent diluted with warm water.
6. There are some red rust spots on the inside of the stainless steel cup. It can be washed with warm water and diluted in vinegar for 30 minutes.
7. To prevent the occurrence of odor or stains, and to be used for long-term cleaning. After use, please clean it to make it fully dry