This beaufitul vintage style corset vest is made of two Layers of fabric,plastic bones to support. The corset is designed by waist size, please choose your corset according to your waistline. If your waist measurment is between two size, please choose the smaller size. If you are not sure what size you would need. Please leave your measurment to us,we can pick up the size for you. These fashion corsets are perfect for parties,cosplay,club, a night out, or just a bedroom lingerie. It will make you look and feel amazing. When you shop a corset from us, you are granteed for 3 monthes. Please do not hesitate to contact us if have any questions. We are here to help,and offer the best service for you. Size Chart XS, Bust:32"-34",Waist:23"-25" S, Bust:34"-36",Waist:25"-28" M, Bust:36"-38",Waist:28"-30" L, Bust:38"-40",Waist:30"-32" XL, Bust:40"-42",Waist:32"-34" 2XL, Bust:42"-44",Waist:34"-36" 3XL, Bust:44"-46",Waist:36"-38" 4XL, Bust:46"-48",Waist:38"-340" 5XL, Bust:48"-50",Waist:38"-40"