Black floral romper plus size

PREOWNED**** 98% polyester. 2% spandex. Black & white floral romper. Bought this and thought it would fit. It fits like a size 18. Lower cut in the front. Back Ipper closure. Overall very nice romper for a vacay! 34” pit to pit. 34” Long. 20” across the waist. Arms:7.5”. Across the legs:28”. B25