Lace: 70% Polyester, 30% Cotton. Mesh and organza: 100% Polyester. Lining: 95% Polyester, 5% Spandex. Shell fabric does not provide stretch. Lining fabric provides stretch. Elasticized back. Dry clean. Fully lined. Back zipper with hook and eye closure. Non-slip strip at bust. Padded bust cups. Boning at top of sides. Imported.