Dark Blue Satin Strapless Zipper Outerbust Corset N9554 Bright Blue Strapless Satin Boned Corset PrettyLittleThing Silver Satin Steel Boned Corset Steel boned corsets, Red lace Bella Blue Satin Underbust Steel Boned Corset Glamorous Corset Black Satin Steel Boned Corset. This is a full bust satin corset in deep royal blue with a front zipper, boning you can actually feel, and a sweetheart neckline that frames everything exactly right. You zip up, feel the bones lock in, and your whole posture shifts before you even leave the room. Sixteen steel bones keep this piece from folding mid shift the way cheap corsets do, and the thick back lacing lets you dial the cinch exactly where you want it. The kind of piece you plan a night around.