How to choose a good children school bag? Which brand is better ?
Many parents may consider whether there are impacts on children's health when they buy a new school bag for their child. So what kind of school bag is good for health? The natural gravity of the human body is in the center. If the head falls, it means the gravity moves forward. This is the performance of the hunchback. When the kids school bag is heavy, in order to balance the weight of back, their head will definitely lean forward. Over time, the child is used to walking with hunchback.