Everything you need for a day at the office fits in here – whether your office is in a park, a café, or an old factory on the other side of town. The ORTLIEB Commuter Daypack is a waterproof city backpack made of lightweight, durable nylon fabric. With its roll-top closure, large main compartment, and padded laptop compartment (up to 15.4"), it's a safe haven for your documents and tech in any weather – and thanks to its exceptional carrying comfort, a pleasant companion for your commute. Specifications 21 Litre: Height: 50 cmWidth: 30 cmDepth: 15.5 cmVolume: 21 lLoad capacity: 8 kgWeight: 750 gWaterproof: Yes (IP64)Material: PU-coated nylon (PS33) Specifications 27 Litre: Height: 50 cmWidth: 32 cmDepth: 21 cmVolume: 27 lLoad capacity: 8 kgWeight: 800 gWaterproof: Yes (IP64)Material: PU-coated nylon (PS33) PRODUCT: R4112, R4113, R4114, R4115, R4179, R4180