|
1. A unitary coupling assembly closure comprising: a cap body and a natural cork; wherein the cap body comprises a cap body sidewall with an inner sidewall surface and an outer sidewall surface, the inner sidewall surface comprising threads; wherein the natural cork further comprises a cork body and a cork head which, the cork body extends within a container mouth and the cork head extends over a container lip forming a cork sealing groove; wherein the cork sealing groove between the cork body and the cork head includes a curved top seal; wherein the cap body inner sidewall surface is attached to the cork head and extends below the cork head to attach to threads of the container; and wherein after initial opening, the closure is capable of screwing back onto the container.
|
