Student School Bag Canvas College Student Travel Computer BackpackProduct information: Capacity: 20 35L The internal structure of the bag: zipper pocket, mobile phone bag, certificate bag, sandwich zipper bag, computer pocket Opening method: zipper Applicable gender: neutral male and female Material: Canvas Whether with lock: No With or without rain cover: None Function: breathable, wear resistant, shock resistant, lightening pattern: plain Style: European and American retro Lining texture: polyester Strap root