Backpacks do not have a rigid structure and do not have an orthopedic back. That is why wearing them is permissible only with a spine that has formed, that is, they are applicable only to high school students.
Backpacks do not have a rigid structure and do not have an orthopedic back. That is why wearing them is permissible only with a spine that has formed, that is, they are applicable only to high school students.