This leather over bust corset has a strong YKK zipper closure. It features 10 spiral and 4 flat steel bones to ensure the perfect hourglass figure for regular and petite torso sizes. This corset is 13.7 inches in the front,13.2 inches on the sides and 13 inches in the back. Just look at the curve this corset produces! The corset also features 24 stainless steel grommets in the back, a 6 inch modesty panel as well as 6 garter suspender loops at the bottom.