Recyclable closure

A closure for a container having a neck with a pouring opening, the closure comprising:

• a plug configured to engage within the neck to close the pouring opening, the plug extending along an axial direction,
• an overcap attached to the plug,
• wherein the overcap comprises:
• a first part removably attached to the plug,
• a second part associated to the first part and configured to be grasped for opening and closing the container, the second part comprising a tear off seal configured to pass from a first configuration, before the tear off seal is torn off, to a second configuration, once the tear off seal is torn off,
• and wherein,
• in the first configuration, the second part acts on the first part to secure attachment of the first part to the plug thereby preventing separation of the first part from the plug,
• in the second configuration, the second part is releasable from the first part so that the first part is separable from the plug,
• the first part comprises axial attachment members configured to engage with the plug to constrain the first part to the plug along the axial direction and rotational attachment members configured to engage with the plug to constrain the first part to the plug rotationally around the axial direction.