95% Cotton 5% Spandex. Relaxed fit. Crew neck. Rib collar. Sleeveless. Maxi length54" from highest point of shoulder on size 18Elastic waist. Cotton-spandex jersey top, Poly satin skirt. Machine wash cold gentle cycle with like colors. Only non-chlorine bleach when needed. Do not tumble dry. Lay flat to dry. Cool iron as needed.