The role of schoolbags in school: The schoolbags that students carry every day are mainly used to hold books, textbooks, and other school supplies. During the growth of students, schoolbags are not only things that they carry when they go to school every day, but also items that accompany children throughout their lives. If the quality of school bags is not good, it may even affect children's health.

　　Schoolbag material: first of all, choose a backpack with guaranteed quality to avoid students’ allergies and allergies due to material reasons; secondly, choose schoolbags produced by regular manufacturers, certified by national authoritative testing agencies, and guaranteed in quality.

　　School bag size: It is best for students to adjust their school bags according to their own height. If the adjustment is not appropriate, it will affect the comfort of the children's shoulders and back when walking; at the same time, students should choose the capacity of the backpack according to their own learning content to avoid improper use. lead to a decline in learning efficiency.

　　Schoolbag details: Students must pay attention to the details when carrying schoolbags, so as to avoid affecting the health of students due to the decline in the quality of schoolbags caused by some irregular use; at the same time, when choosing schoolbags, it is also necessary to pay attention to whether it has a wear-resistant layer and a water-repellent coating because these will cause physical harm to the students.

　　Backpack zipper: When choosing a backpack zipper, pay attention to choosing a zipper with good quality and not easy to break, so as to avoid students being scratched during use due to zipper quality problems; at the same time, when choosing a backpack, pay attention to whether the backpack buckle is firm and strong. Avoid the decline in the quality of the schoolbag due to some small details.

　　Backpack fabrics: When choosing backpack fabrics, it is best to choose fabrics with good air permeability and easy cleaning to avoid moisture inside the schoolbags due to long-term use and affect the health of students; at the same time, when choosing backpack fabrics, pay attention to whether it has anti-static function to avoid static electricity in the schoolbag due to long-term friction.