The Back-Roller Free is based on the ever-popular Back-Roller Classic, which has proven itself millions of times. The Free line does not use PVC, but does not compromise on performance either. Through the use of robust polyester fabric, the waterproof rear pannier becomes a long-lasting companion while maintaining the same timeless tarpaulin look. And thanks to the hermetic roll-top closure, food and gear travels safely and protected from the elements.The ORTLIEB Quick-Lock2.1 system allows you to attach the Back-Roller to virtually any bike rack. The shoulder strap, which you can simply detach before setting off on your bike, allows you to use the pannier as a shoulder bag once you reach your destination.Key Features:Fabric: PD62/PS60Features: QL2.1Height: 42cmWidth: 23 / 32cmDepth: 17cmVolume: 20LWeight: 950g