Please check our size chart on the each color's left size pictures, instead of amazon size chart; Choose the size based on your waist size 12 Spiral steel boned vintage steampunk corset, a helpful corset gives a slim figure for you; If you worried about spiral steel boned or not, you can test it with a magnet Front design: metal clasp closure, back design: cord lacing up; Back come with 6.1" modesty panel; Front length for inch: 16.5", back length for inch: 14.2"