A removable storage container for a saddle riding-type vehicle, wherein the storage container comprises: - a container body (101, 102), which defines at least one containing compartment and which is adapted to be opened and closed to either allow or prevent access to the containing compartment, respectively; - a system for closing/opening the container body (101, 102) and for fixing/removing the container body (101, 102) to/from the vehicle; wherein the system for closing/opening the container body (101, 102) and for fixing/removing the container body (101, 102) comprises: - a locking element adapted to be moved to take a first and a second operating position to prevent and allow the opening of the container body (101,102), respectively; - a fixing element adapted to be moved to take a first and a second operating position to prevent and allow the removal of the container body (101,102) from the saddle riding-type vehicle, respectively; - an actuating member which is movable in mutually opposite first direction and second direction with respect to a starting position, wherein a movement of the actuating member from the starting position in the first direction causes a movement of the locking element from the first operating position towards the second operating position, and wherein a movement of the actuating member from the starting position in the second direction causes a movement of the fixing element from the first operating position towards the second operating position; wherein: - the actuating member comprises a stop element which, in the starting position of the actuating member, prevents the fixing element from taking the second operating position; - the stop element is configured so that the locking element and the fixing element cannot take the second operating position at the same time; - the opening/closing and fixing/removing system further comprises a lock with a key, wherein said lock is operatively connected to the actuating member; and characterised in that - the stop element is actuated by means of the lock and in particular by means of the key. - a container body (101, 102), which defines at least one containing compartment and which is adapted to be opened and closed to either allow or prevent access to the containing compartment, respectively; - a system for closing/opening the container body (101, 102) and for fixing/removing the container body (101, 102) to/from the vehicle; - a locking element adapted to be moved to take a first and a second operating position to prevent and allow the opening of the container body (101,102), respectively; - a fixing element adapted to be moved to take a first and a second operating position to prevent and allow the removal of the container body (101,102) from the saddle riding-type vehicle, respectively; - an actuating member which is movable in mutually opposite first direction and second direction with respect to a starting position, wherein a movement of the actuating member from the starting position in the first direction causes a movement of the locking element from the first operating position towards the second operating position, and wherein a movement of the actuating member from the starting position in the second direction causes a movement of the fixing element from the first operating position towards the second operating position; - the actuating member comprises a stop element which, in the starting position of the actuating member, prevents the fixing element from taking the second operating position; - the stop element is configured so that the locking element and the fixing element cannot take the second operating position at the same time; - the opening/closing and fixing/removing system further comprises a lock with a key, wherein said lock is operatively connected to the actuating member; and characterised in that - the stop element is actuated by means of the lock and in particular by means of the key.