Model: CertosaColor: BlackPattern: logoAccessory color: silverStorage compartment: main pocket, outer pocket, inner pocket, laptoppocket Laptop pocket: 15" diagonalFormat A4: fitsFastening: zipperSpecification: adjustable strap length, padded back, padded straps, dust bag MaterialFeatures: WaterproofMaterial: outer part - polyurethanelining - polyesterDimensions: 28 x 40 x 16 cm Max. strap length: 80 cm