Size X which they break down to a 10/12 or they say a modern 1X/XL. (I would say fit is comparable to an XL) A Beautiful soul white flowy romper. Lined on the inside. Beautiful flowy sleeves and the bottom is very flowy too! Perfect for bachelorette or wedding festivities! Smoke free home, dog friendly. #beautifulsoul #polkadots #wedding #bachelorette