An anti-choke closure (1) for sealing a container (2) opening (3). The closure (1) comprises: a body (4) having a top wall (5) and a circular side wall (6); a container-sealing ring (8) extending along the top wall (5) for sealing the container opening (3); a connecting mechanism (screw thread 15) connectable to the container (2) so that the container-sealing ring (8) together with the top wall (5) seal the container opening (3); and a plurality of airflow passages (17, 29) extending through the top (5) and side (6) walls at a location other than within the container-sealing ring (8) so as to allow the flow of air there through. Should the closure (1) be ingested by a child and become lodged in that child's throat, the airflow passages (17, 29) will permit the child to continue breathing and not choke to death, regardless of the orientation of the closure (1) within the throat.
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