Abstract: The invention relates to a closable packaging container (1), comprising several container parts (10, 20) and a closing mechanism (3) having at least two stable positions, wherein the closing mechanism (3) comprises an unlocking part (30) designed as a multiple joint and a locking part (31), wherein the locking part (310) acts correspondingly on the unlocking part (30) in a locking position, wherein the unlocking part (30) can be moved in a pivoting motion at least in some positions in order to unlock the closing mechanism (3), and such that the unlocking part (30) remains persistently in an unlocking position after being actuated and releases the locking part (31).