Brand: AER Texture: nylon Closure: zipper Pattern: solid color Style: European and American fashion Shape: envelope formation color: new gender: male Color Category: black X-pac internal structure: mesh bag, zipper, dark bag, mobile phone bag, ID card slot, sandwich zipper bag, computer bag, camera bag, sandwich: folding: no, article number: 2103229032, applicable scene: travel lining material: polyester shoulder belt, style: double, applicable object: youth bag, outer bag, category: bag digging, hardness: soft size: large bag, size: 54.5x33x21.5cm, waterproof degree: waterproof, whether there is back cushion cotton: yes, computer size: 16 inches