Heavy Duty Waist Training Corset 20 Spiral Steel Bone, 4 Flat Steel Bone Front Length: 15.5 inch (39.5 cm) Side Length: 14 inch (35.5 cm) Back Length: 17 inch (43 cm) Fabric: Heavy Duty Fabric Lining: 100% Cotton For Extra Comfort Front Opening: Metal Busk Waist Tape: Invisible 1 Inch inside Modesty Panel: 6-7 inches Wide