Messenger Bag:Ortlieb's robust classic Messenger Bag is proportioned to carry loads without ever weighing you down: the Velcro flap seals everything secure and allows flexible packing height and quick access to A4 folders in its 30 litre main compartment while the ventilated foam back, chest strap and padded shoulder straps keep everything stable. Large reflectors on sides and shoulder straps contribute to safety in bad weather conditions, dusk and dawn. Fabric: PD620/PS620C Height: 50cm Width: 39cm Depth: 15.5cm Volume: 39L Weight: 1300g Messenger Bag Pro:Smart bike messengers not only carry messages inside their bags, but also display them on the outside. Our full-featured Messenger Bag Pro has a professional display surface for additional advertising. The transparent, waterproof folder at the back offers space for size A3 posters. The bag's internal life has been designed with insider know-how: the inner zippered pocket for receipts, maps, pens etc. is removable by means of push bu