Size Description: Width (w) Height (h) Length (t)Measurement may have errors, please prevail in kindMaterial: Nylon Opening method :: zipperAre there any liners?Package internal structure: ID bag, mobile phone bag, laminated zipper bag, zipper pocket, computer pocketFunction: waterproof, breathable, wear-resistant, lightening, shockproofHardness: medium softColor: black, grayDimensions: 11.6-12 inches, 13.3 inches, 15.4 inches, 15.6 inches