Package size: Medium Capacity: 20-35L Package internal structure: zipper concealed pocket, cell phone pocket, computer insert pocket Open cover: zipper Material: polyester Function: breathable, wear-resistant, load-bearing Model: 16-inch backpack, no laminated pencil bag, lunch bag Processing method: printing Packing: opp bag Product Includes. 1 * backpack + satchel + pencil pouch Note that: 1. The monitor used is not the same, the computer is not the same, the angle of photography is not the same, there may be angle color problems. 2. purely manual measurement, there may be 0-1cm error.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''t hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it