Nude Marine Algae Underbust Shaper Corset - Plus. Slim and sculpt those curves with this underbust shaper corset that contains marine algae to hydrate the skin. Made with smooth panels that skim inches off of the body and add a boost in all of the right spots, this flawless foundation crafts a svelte silhouette for an extra-sleek look. Â Bra and briefs not included Moderate compression 93% polyamide / 7% elastane Hand wash; dry flat Imported