Cocktail party dress new no tag

sleeveless cocktail party dress back zipper closure tag says 3X but fits more like 2X with small arm holes. if you have not so small arm like me, this dress is not for you. when I tried the dress, arms fit through but not very comfortable for dancing 🙃 silver sequin thin liner attached P2P 21.5" length from shoulder 40" pet and smoke free home please see the description and pics and let me knew if any questions