A packaging device has a principle body with a receptacle having interior space and a neck and orifice, and an expulsion device fixed to the neck, the expulsion device having an upper portion and a lower portion of the expulsion device, the upper and lower portions being separated from one another by a shoulder, the shoulder bearing on the end of the neck, a cap designed to be positioned above the receptacle in a stable closed position, the cap having a housing for receiving an end of the upper portion, and a magnetic closure system having a first magnetic device borne by the cap and a second magnetic device borne by the principle body, the second magnetic device is located around the upper portion and above the shoulder, and, in the stable closed position, the first magnetic device is located around the upper portion and above the second magnetic device.