Ortlieb Office-bag

"This waterproof bikebriefcase combines functionality and style and is the ideal companion for anyone who travels a lot. Made from PU-coated Cordura fabric, it offers the best possible protection against rain and dirt, while the IP64 protection classstandard guarantees that your utensils always stay dry. With a volume of 21 liters, the bag offers enough space for your office and everyday items and is particularly comfortable to carry thanks to its padded, detachable carrying strap and practical carrying handle."
"An integrated organizer ensures that you always have your things under control, while edge protection and a storage compartment increase the durability of the bag. The attached reflectors ensure additional safety in road traffic. The bag is equipped with the innovative Quick-Lock2.1 and Quick-Lock3.1 system, which enables simple and flexible attachment to luggage carriers with different tube diameters. Thanks to the rotating mounting rail, the bag can be attached to the left or right of the luggage carrier."
"For even more security and adaptability, separately available accessories such as the Anti-Theft-Device, QL2.1 hooks in various sizes and a mounting set for the QL3.1 system are availableu00fcgbar. The main mounting elements are permanently attached to the luggage carrier, so that the back of the bag remains free of interfering hooks. This sophisticated design makes the bag the perfect choice for cyclists who value safety, comfort and flexibility"