Sparkling wine product with (i) a sparkling wine bottle that comprises - a bottle opening and - an annular bead that is arranged adjacent to the bottle opening, (ii) a bottle closure for the reversible closing of the sparkling wine bottle and (iii) sparkling wine that is inside the sparkling wine bottle, (iv) the bottle closure comprising (a) a sealing body that is designed to seal a bottle opening of the bottle, and (b) a securing device that is configured to connect the sealing body with the bottle via a positive-locking connection, (c) wherein the sealing body and the securing device can be moved relative to one another from - a sealing position, in which the sealing body is connected to the bottle via a positive-locking connection, into - a release position, in which the sealing body can be removed from the bottle opening, (d) wherein the sealing body - has a sealing section that is designed to interact with an inner surface of a bottle head of the bottle to produce a sealing effect, such that the bottle closure can be transported securely, and - comprises at least one fastening tongue that is designed to interact positively with an annular bead of the bottle head, (e) the securing device has a retaining ring, wherein the fastening tongue and the retaining ring are separate components, characterised by the fact that (f) the retaining ring and the fastening tongue mesh radially and externally in a way that permits a rotational movement. (i) a sparkling wine bottle that comprises - a bottle opening and - an annular bead that is arranged adjacent to the bottle opening, - a bottle opening and - an annular bead that is arranged adjacent to the bottle opening, (ii) a bottle closure for the reversible closing of the sparkling wine bottle and (iii) sparkling wine that is inside the sparkling wine bottle, (iv) the bottle closure comprising (a) a sealing body that is designed to seal a bottle opening of the bottle, and (b) a securing device that is configured to connect the sealing body with the bottle via a positive-locking connection, (c) wherein the sealing body and the securing device can be moved relative to one another from - a sealing position, in which the sealing body is connected to the bottle via a positive-locking connection, into - a release position, in which the sealing body can be removed from the bottle opening, (d) wherein the sealing body - has a sealing section that is designed to interact with an inner surface of a bottle head of the bottle to produce a sealing effect, such that the bottle closure can be transported securely, and - comprises at least one fastening tongue that is designed to interact positively with an annular bead of the bottle head, (e) the securing device has a retaining ring, wherein the fastening tongue and the retaining ring are separate components, characterised by the fact that (f) the retaining ring and the fastening tongue mesh radially and externally in a way that permits a rotational movement. (a) a sealing body that is designed to seal a bottle opening of the bottle, and (b) a securing device that is configured to connect the sealing body with the bottle via a positive-locking connection, (c) wherein the sealing body and the securing device can be moved relative to one another from - a sealing position, in which the sealing body is connected to the bottle via a positive-locking connection, into - a release position, in which the sealing body can be removed from the bottle opening, - a sealing position, in which the sealing body is connected to the bottle via a positive-locking connection, into - a release position, in which the sealing body can be removed from the bottle opening, (d) wherein the sealing body - has a sealing section that is designed to interact with an inner surface of a bottle head of the bottle to produce a sealing effect, such that the bottle closure can be transported securely, and - comprises at least one fastening tongue that is designed to interact positively with an annular bead of the bottle head, - has a sealing section that is designed to interact with an inner surface of a bottle head of the bottle to produce a sealing effect, such that the bottle closure can be transported securely, and - comprises at least one fastening tongue that is designed to interact positively with an annular bead of the bottle head, (e) the securing device has a retaining ring, wherein the fastening tongue and the retaining ring are separate components, characterised by the fact that (f) the retaining ring and the fastening tongue mesh radially and externally in a way that permits a rotational movement.