Whether you are touring or commuting, if your cargo absolutely has to reach its destination dry, the Ortlieb Back Roller Panniers are for you. Durable polyester fabric make this pannier a long lasting touring companion. The waterproof roll closure ensures safe and waterproof storage of food and equipment. With its QL2.1 fixing it is quickly mounted and taken off the bike rack. A shoulder strap provides carrying comfort when taken off the rack.