A removable storage container for a saddle riding-type vehicle , wherein the storage container comprises: - a container body , 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 and for fixing/removing the container body to/from the vehicle ; wherein the system for closing/opening the container body and for fixing/removing the container body 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 , 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 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 , 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 and for fixing/removing the container body 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 , 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 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 . <EOS>