The school bags are become very expensive on now a days. Today the school bag becomes both friend and foe to the student.It helps to student to carry their books as a friend. But it is also playing a great role as a foe too. Carrying bag on their shoulder became a great burden for them on now a days. Recently studiess and researches also said that the student back bone is bending highly due to this one only. Many students were facing this problem. So the schools have to provide shelves or have to decrease the books that they need to take to overcome this problem.