Please View the Sizing Picture As Well. At Populartops, we know that Black Iris Corsets are designed with versatility and longevity in mind. Each corset is made with 20 flexible steel bones, a steel front busk closure, multiple layers of fabric, & waist tape for maximum comfort and durability. Additional corset dimensions: Center front: 11-12 inches with a 10 inch busk, Side length: 9 ¾-10 ½ inches, Center back: 12 ¼-13 inches, Underbust to hip: 9 ½-10 inches. This corset comes with a lifetime guarantee. International shipping available.