The answer is: because square boxes are cheaper, easy to open and close, they can be kept folded until the moment they are required, they do not need glue to assemble, they are easier to hold with one hand and the graphic design accommodates better. because there is more space, reveals a study.
The answer is: because square boxes are cheaper, easy to open and close, they can be kept folded until the moment they are required, they do not need glue to assemble, they are easier to hold with one hand and the graphic design accommodates better. because there is more space, reveals a study.