A school bag, also known as a school backpack or satchel, is a bag used to carry books, notebooks, and other school supplies. 

• Purpose:

  School bags are designed to hold and transport the necessary items for school, including textbooks, notebooks, pens, pencils, and other learning materials. 
• Types:

  • Backpacks: These are the most common type, worn on the back with straps over the shoulders. 
  • Shoulder Bags: These are carried over one shoulder.