Backpack is suitable for carrying heavier items, such as computers, and messenger bags are more casual and daily. Because every class in the university will be in a different classroom, it is impossible to keep it in the classroom all the time.

Introduction to backpack:

Backpack is the general term for backpacks with shoulders. According to different uses, backpacks can be divided into computer backpacks, sports backpacks, fashion backpacks, school backpacks and backpacks, military backpacks, mountaineering bags and so on. Depending on the material, it will become canvas bag, Oxford bag and nylon bag.