Made from Heavy Duty, Very Strong Fully Steel Boned Corset The inner shell is lined with 100% cotton twill. The outer shell is entirely made 100% of mesh and cotton twill. The corset can draw your waist in and flatten your tummy for a perfect hourglass figure, and it can reduce your waist by up to 5 inches. It is suitable for tight lacing, shaping, and waist training. 4 Rigid Steel Plates and 2 Strong Metal Busk Bones There are 16 steel bones in total, with 10 spiral / flexible steel bones around the corset. Front fastening with rust-free busk set Ties in the back with a strong Lace/Ribbon at the waist. 100% Cotton Twill Jeans lining with a 5" Modesty Panel at the back