Halter corset with lace top, and zip-up front from Bonitaz-Corsets. Black 5X/6X European Sizes. Waist 38 inches - 42 inches. Bust 46 inches - 50 inches. United States dress sizes 16-20. Bonitaz Corsets fit smaller than typical US size corsets. It is important to choose mainly based on their waist size.