New fashion backpack men's trend large capacity waterproof computer travel backpack middle and high school school student schoolbag

Holds computer size: 15 inches Pattern: solid color Lining texture: polyester Function: Abrasion resistant Material: Nylon Capacity: less than 20L Size: Uniform size Length: 42 cm Width: 31 cm Height: 15 cm Label: Yes Washing Care: Hand or machine washable