Vedette 940 Women's Candice Double Layer Waist Cincher w/ Zipper Imported Please refer to size chart to choose correct size. Outer linen: 80% nylon -20% spandex front middle linen: 85% polyester -15% spandex. Firm compression on waist and abdomen. Double front layer with hook and eye and zipper closure. Adjustable straps and under bust design.