Blue thermal insulation outdoor essential lunch bag

A lunch bag is a convenient lunch box that usually contains food such as staple food, non-staple food and fruit. Lunch bags can be prepared at home or purchased outside. It is suitable for people who need to eat out such as office workers, students and travelers. The type and amount of food in the lunch bag can be matched according to personal preferences and needs. Using a lunch bag can avoid wasting time and money when eating out, while also ensuring a hygienic and healthy diet