Bag size: large Capacity: 20-35L Inner structure of the bag: laminated zipper pocket, zipper pocket Opening method: zipper Applicable gender: neutral / male and female Material;oxford cloth With or without rain cover: no Function: breathable, wear-resistant, burden reduction Hardness: Soft Pattern: plaid Applicable gifts occasions: birthday, holiday Style: College style Lining texture: polyester Accessories type: drawbar Strap root number: double root Lifting parts: soft handle Bag shapes: square vertical section