The Vaude Road Master Back is an universal bike bag with enough pockets, so it is suitable for commuters, but also for bike vacations. With zippered side pockets and large lid closure, you can store your important things, like personal documents, mobile phones or mp3 player. The bag is attached to the carrier by 2 hooks that can be closed on the carrier. The bottom of the bag can be attached to the carrier, this prevents slapping of the bag. The bag itself is not waterproof, but comes with rain cover.