It measures (unstretched) 12 3/4" at waist and 13 1/2" down the sides. The store tag is still attached.
The label has an "X" written in ink before the word "Large" so maybe should have been labeled extra large. The item "Vintage Warners Open Bottom Girdle, Large, White" is in sale since Friday, April 23, 2021. This item is in the category "Clothing, Shoes & Accessories\Specialty\Vintage\Women's Vintage Clothing\Lingerie\Corsets & Girdles". The seller is "dcdefend" and is located in Whitefish, Montana.This item can be shipped to United States.