Gisexy 26 Double Steel Boned Corset Heavy Duty Waist Training Shaper S-3xl,gift Idea Most GiSexy corsets are designed for tight-lacing; there will be a 4 inch to 6 inch opening on the back. If you want less of an opening order the next size up. 26 Steel Bones: 20 Spiral Steel Bones, 4 Rigid Steel Bars Supporting Back, 2 Steel Bars Adjacent to Front Busk. Material: cotton,steel boned corset, Gisexy waist cincher corset sihpped by LI YUBO, Normal delivery time is 7-11 working days to US. Waist Cincher Training Corset S-3xl, Gift wrapping.