PhilaeEC Women's Plus Size Bridal Lingerie Lace up Satin Boned Corset + G-string Material:90% Polyester and 10% Spandex. VERY IMPORTANT! DO NOT USE AMAZON SIZE CHART! Please check SIZE INFO on the Picture to make sure the item fits your measurements before purchase. Corsets are sized by waist size, please choose your corset according to your waistline, not your bust. For example, XS 22" Means the flat measurement of Size XS is 22" on the waistline. Great for waist training, costume and fashion corset Softly hand wash in cold water. Please do not bleach and it is better to dry clean. If you are not sure about your size, please contact us, we will provide high quality service for you.