Securely mounts to a wide variety of rear racks via hook-and-loop straps and transit hook;Made from durable, waterproof material to help keep your gear safe;The large compartment holds shape for easy loading and unloading with a roll-top buckle closure;External pockets and compartments help organise accessories and gear;Included carrying strap transforms pannier to a backpack for convenient off-bike use;Reflective materials enhance visibility with a stylish finish;17-litre capacity;