The Urban Ortlieb back-roller pannier is great for the urban commuter to match casual and business attire. It has a special polyurethane coating on the inside, to ensure its completely waterproof. Featuring a roll closure which is safe and secure, for the storage of food, equipment and your dry clothes for those rain days. Inside, it has a main compartment, which has zippered mesh pockets to keep your belonging organised. It can be quickly taken on and off the bike with the QL mounting system, becoming portable, with a useful shoulder strap to use once off the rack so you can use throughout the day.