Heavy Duty Waist Training Corset 20 Spiral Steel Bone, 4 Flat Steel Bone Front Length: 11 inch (28 cm) Side Length: 9 inch (23 cm) Back Length: 11.5 inch (29.5 cm) Fabric: Heavy Duty Fabric Lining: 100% Cotton For Extra Comfort Front Opening: YKK Metal Zipper Waist Tape: Invisible 1 Inch inside Modesty Panel: 6-7 inches Wide