YIANNA Breathable Thin Type Lace Corset Strapless Wedding Dress Corset Bustiers Don't use AMAZON size chart; Please choose the size by your natural waist measurement. Polyester and Lace, High quality strong Spiral Steel Boned. Front design: Zipper, back design: Lace-up. Matching G-String Designed to lift and support the bust, draws in the waist and flattens the tummy. This bustier offers maximum cleavage for a sexy look. Perfect for bridal lingerie, steampunk wedding dresses, Halloween costumes, date nights, burlesque or any intimate setting.