Thanks to a polyurethane coating on the inside, it is nonetheless absolutely waterproof. The practical QL mounting system enables you to quickly and conveniently attach the bag to your bike rack. The bag’s internal pocket, consisting of a main compartment and a zippered mesh compartment helps you to keep things orderly and immediately accessible. A detachable shoulder strap allows you to comfortably carry the Urban Back-Roller once you set off on foot.