Material: Oxford cloth Opening method; zipper Inner structure of the bag; zipper pocket, cell phone pocket, ID bag, laminated zip pocket Luggage size; medium style: Casual Bag shapes: square vertical section Function: waterproof, breathable, wear-resistant, lightening, shockproof, Popular element Lifting part Strap root number: single Outer bag type: three-dimensional bag Lining texture; polyester Color; elegant black, elite gray