As other Ortlieb panniers, the Ortlieb Sport Roller Plus is completely waterproof. Closing the pannier is simple: roll the mouth a couple of times and insert the buckles on their counterparts on the sides of the pannier. The package contains one pannier. This model is smaller than the Back-Roller, and a popular choice for use on a front rack. In fact, this used to be called the Front Roller, but the name was changed as many people choose this as a rear pannier. This Plus version boasts a nicer fabric than the basic Core version, with less of a tarpaulin-like feel. In addition, the pannier comes with a shoulder strap. - 2024 model - QL2.1 system: two adjustable upper hooks and one lower hook, tool-free adjustment - Max. cargo: 9 kg - Materials: PS36C - Large, high quality 3M reflectors on both the front and back - Welded seams - IP64 protection level: dustproof, sprayproof - Zippered inner pocket for phone, pens etc. - 5 year guarantee against manufacturing defects - Comes with adapt