More elegant than a conventional backpack and more casual than a typical office bag: the Ortlieb Commuter Daypack Urban Line is a modern city backpack. Although the robust Cordura fabric looks and feels like woven fabric, it is absolutely waterproof. The clever TPU back padding features smart ventilation channels and offers outstanding carrying comfort. The practical roll closure ensures quick access to the main compartment and the padded sub-compartment where your notebook and tablet are ideally stowed for safekeeping.21LSpecification: Fabric: PS55C Height: 50cm Width: 30cm Depth: 15cm Volume: 21L Weight: 740g 21LSpecification:Fabric: PS55CHeight: 50cmWidth: 32cmDepth: 21cmVolume: 27LWeight: 800g