420D printed portable ice pack

A lunch bag is a kind of food that is convenient to carry, usually consisting of bread, sandwiches, fruit, drinks, etc. It can be enjoyed during work or study breaks, avoiding eating out or buying unhealthy fast food. Lunch bags can be combined according to individual tastes and dietary needs, either containing staples and protein or with healthy ingredients such as vegetables and nuts. Its portability allows people to enjoy a delicious lunch whenever they want, while also being a time - and money-saving option.