Self 1: 100% polyesterSelf 2: 82% polyester, 18% spandexLining: 96% polyester, 4% spandex. Hand wash. Halterneck hook and bar clasp closuresHidden back zipper closure. Open back. Taffeta fabric. Item not sold as a set. Made in China. Our Style No. GAIA-WS161. Manufacturer Style No. TP28826TF3008.