Black halter underbust corset with steel busks closure in the front from Bonitaz-Corsets. 3X/4X European size. Please note Bonitaz Corset sizes fit smaller than typical US sizes. It is important for customers choose mainly based on their waist size. Waist 34 inches - 38 inches. Bust 42 inches - 46 inches. United States dress sizes 12-16.