【Product Parameter】:
● Model number:Backpack for male middle and high school students with USB charging
● product size :45*30*15cm or custom
● weight:0.69kg
● capacity:30L
● Internal structure: Main pocket, computer compartment, front zipper pocket, mobile phone ID pocket
● Material: Nylon
● Item No.: SG-007
● Color: Black ,gray,blue or customized