True Corset, Playgirl Black underbust corset, steel boning Size 24 inch (fits 30-31” waist) Great condition! “26 high density steel bone details and corset measurements diagram are in the images. 4 Layers of cloth : 1 x Taffeta outer layer : 2 x Reinforcing cotton middle layers : 1 x Extra strength cotton inner lining layer Please see the size chart in the images for detailed sizing instructions. Designed to pull in the wearers waist, flatten the tummy, improve posture and give a 6-7" waist reduction.”