Typically, it is prepared at home or at a hotel, or produced commercially for sale in vending machines (especially in Japan) or at convenience stores.
They provide a way to take heavier lunches in a sturdier box or bag, and are also considered more environmentally friendly than disposable packaging.
In many countries it is also possible to buy packed lunches from places such as convenience stores, supermarkets, bakeries and coffee shops, often in the form of a sandwich or other main item, a drink, and a smaller item such as a packet of potato chips or pre-prepared fruit, all offered together for a fixed price.
Matpakke can be eaten quickly, allowing the lunch period to be used to relax.
[3] The American brown-bag lunch was used as a deliberate rebuff of the Chinese hosts, by the United States delegation, at peace negotiations in Kaesong during the Korean War.