Vacuum flask

Avoid collisions and drops during use to avoid damaging the cup or plastic,
causing insulation failure or water leakage.

Use proper force when tightening the screw plug,
and do not rotate it excessively to avoid failure of the screw plug

Do not store milk, milk products and carbonated beverages for a long time.
If you drink coffee, tea or beverages frequently, the inner tank will become discolored.
At this time, you can use toothpaste to clean it.

4. When cleaning, use a soft cloth and an edible detergent diluted with warm water.
Do not use alkaline bleach, metal vegetable cloth, chemical wipes, etc. to avoid damage to the thermos cup.