A closure (10) for a bottle containing a carbonated beverage. The closure (10) including an inner part (40) and an outer part (5). The inner part (40) adapted to receive a portion of a finish of the bottle. The inner part (40) includes one or more outwardly extending raised portions (52). The outer part (5) is adapted to fit substantially over the inner part (40) and is movable relative to the inner part (40) between a closed position, in which at least a portion of the outer part (5) urges at least a portion of the inner part (40) against the neck of the bottle to resist disengagement of the inner part (40) from the finish and to resist rotational movement of the inner part (40) relative to the finish, and an open position, in which the inner part (40) allows disengagement from the finish. The outer part (5) includes one or more inwardly extending raised portions (17). The outwardly extending raised portions (52) and the inwardly extending raised portions (17) are configured to engage and prevent relative rotation between the inner part (40) and the outer part (5) in the closed position and the open position.