70% Rayon 30% Linen. Easy fit. Halter neckline. Back slit with button and bungee. Sleeveless. Maxi length53.5" from highest point of shoulder on size 18Non stretch linen. Turn garment inside out, 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.