63% Polyester 33% Rayon 4% Spandex. Tailored fit. Fully lined. Strapless with back zipper. Elastic gripper around neckline. Non-functional front placket. Sleeveless. Maxi length57 1/2" from highest point of shoulder on size 18Slit at hem. High stretch woven. Machine wash cold gentle cycle with like colors. Only non-chlorine bleach when needed. Tumble dry low. Cool iron as needed.