1. Do not expose to the sun, it is best to air dry naturally.

2. Avoid metal utensils as close to the inner wall of the bag as possible.

3. Avoid exposure to the sun, fire, impact with sharp objects and contact with chemical solvents.

4. Cutlery: After washing and drying the used cutlery, put it into the cutlery compartment according to the structure.

5. External: Dilute the diluted detergent with a soft brush, wipe it on the dirty place, and let it dry.

6. Internal: If the oil is larger, you can use a little detergent, and finally dry it with a damp cloth.

7. Avoid placing heavy objects on the box, so as not to lose shape or be crushed.