This corset is a bespoke custom commissioned reversible waist cincher.  Cover material is red satin on one side and black satin on the other, with black satin ribbon edging and black boning channel stitching through all layers.

Fabric: Two core layers of corset coutil, red satin cover, black stain cover
Edging: Double-satin ribbon
Boning: 1/2″ and 1/4″ flat spring steel bones
Piecing: Seven panels per side