A linerless closure mounted on a container, the closure comprising a closure top having a depending sidewall which terminates at a bottom end, the sidewall having an exterior face from which depends a circumferential skirt which extends outwardly from the sidewall having an interior skirt sidewall and an interior top surface which defines a junction space between the exterior face and the skirt, the junction space includes a tapered circumferential sidewall, wherein said closure excludes any flexible or elastomeric intermediate element which is not an integrally molded or formed as a part of the closure, said closure top mounted on a container, the container having a neck, the neck having an outer surface, a top surface and an edge defined by the intersection of the outer surface and the top surface, wherein the neck is in a direct, seal-tight contact with the tapered circumferential sidewall of the cap.