Bali Never Ending Smooth Waist Cincher 8305 M/Black waist-shapewear closure &lt;p&gt; outer body: 76% nylon, 24% spandex &lt;/p&gt;&lt;p&gt; inner body: 90% polyester, 7% spandex, 3% other fiber &lt;/p&gt;&lt;p&gt; silicone strips: 100% silicone&lt;/p&gt; Firm control shaper designed to smooth and define the waist Toning for your entire waist, all the way up to your ribcage Sleek stretch microfiber construction Boning along back seam prevents rolling