Here is a link to them but sadly they go up to XL only in different colors. Here is a link to some plus size ones in black only but they might be sold out until they restock them.
Plus Button Front Wide Waistband Overall Dress I discovered amazing products on SHEIN.com, come check them out! https://api-shein.shein.com/h5/sharejump/appsharejump?currency=USD&lan=en&id=1945476&share_type=goods&site=andshus&url_from=GM7122109834741653504