What men's shoulder bags are recommended for students?

Canvas bag: With the popularization and implementation of modern environmental protection concept, canvas bags similar to environmental protection bags have become the favorite of fashion people. Canvas bag was once the representative of Xiao Qingxin literature. The texture of burlap is durable and simple, and it can hold all fashionable, interesting and retro elements. Take a casual literary style, then choose a simple and clean pattern; If you want to show the street personality, the design should be bold and cool; Cheap, resistant to sports, fashionable, going to work and attending classes, and leaving things on the street are not a problem. I really can't think of any reason not to put it in the canvas bag!