Opening device for a package, mold for molding an opening device and package having an opening device

Package filled and/or fillable with a pourable product comprising a main body having a designated pour opening and being formed from a multilayer composite packaging material and an opening device coupled to the main body and about the designated pour opening;

• the opening device comprises:
• a collar having a central axis and a pouring outlet;
• a lid connected to collar and angularly movable about a hinge axis between a closed position and an open position in which lid, respectively closes and opens, the pouring outlet;
• a closing element configured to close the designated pour opening, made as a single piece together with the collar and being detachably and/or rupturably attached to the collar;
• a plurality of leg elements connected to and protruding from the closing element and being coupled to the lid;
• wherein one main leg element of the plurality of leg elements is farther away from the hinge axis than the other leg elements;
• wherein the main leg element is intersected by an intersection plane comprising the central axis;
• wherein the leg elements are arranged asymmetric with respect to one another and with respect to the intersection plane.