If it is a boy, of course, you can go to the backpack class, and girls can also go to the backpack class.
Usually, like in class, we will be wrapped in a canvas, and then it will be lighter. Suitable for bringing college students backpacks to class. Whether it is a boy or a girl, you can carry a bag to class as long as it is convenient for you.
Carry a schoolbag, and then you can put some books in it, or you can put some pens in it. Then, just bring a glass of water, which is very convenient.