NWOT Anthropologie - South Seas belted button down

NWOT Anthropologie “South Seas” Belted shirttail button down by Building 13. There is no tag showing size anywhere that I can find- it’s the largest they had.. either 14 or 16. Measurements (approx): Bust- 18” Waist- 21” Length- 30” Materials: 60% cotton, 40% polyester. Never Worn!!