Women Kentucky Derby Church Dress Organza Hat Wide Brim Flat Hat Excellent Material:100% Polyester. Double layer design: organza and gauze, Top-level gauze, Organza. Overly light and elegant Design: Wide brim, Elegant and charming designed,translucent,Leisure and formal integration, fantastic church hats for daily used. One size fits all most average women's head: The formal style with fashionable lace pattern. One size fits 21-23 inch head circumference. Suitable for different occasion: Would be great for Wedding, Bridal Shower, Tea Party, Concert, Evening Wear, Belmont, Ascot, Horse Races, Church, Art Photography,etc. Cleaning and maintenance: Dry Clean Recommend. Or Using similarly Woolite and cold water, hand wash and air dry should be fine.smooth it before air dry to reduce the washing crease. Do not wash frequently.