Heavy Duty Waist Training Corset 20 Spiral Steel Bone, 4 Flat Steel Bone Front Length: 13.75 inch (34.92 cm) Side Length: 11 inch (27.94 cm) Back Length:13 inch (33.02 cm) Fabric: Heavy Duty Fabric Lining: 100% Cotton For Extra Comfort Front Opening: Steel Metal Busk Waist Tape: Invisible 1 Inch inside Modesty Panel: 6-7 inches Wide