1. Milk deodorization method
After use, clean it with detergent first, then pour two tablespoons of fresh milk into the lunch box, cover it, shake it, so that every corner of the lunch box is in contact with the milk, for about one minute, and finally pour out the milk and clean the lunch box.
2. Orange peel deodorization method
After use, clean it with detergent first, then put fresh orange peels in the lunch box, cover it, and leave it for about 3 to 4 hours.
3. Vinegar deodorization method
To remove odors from the lunch box, you can wipe it with vinegar to neutralize the odor. If you have enough time, you can put 1 cup of vinegar in the lunch box, cover it and leave it overnight, and the vinegar will absorb the odor of the lunch box. Or sprinkle some baking soda and let it stand overnight, which also has the effect of removing odors.