FORBUSITE Women Kentucky Derby Church Dress Organza Hat Wide Brim Flat Hat S601 Excellent Material:100% Polyester. Double layer design: organza and gauze, Top-level gauze, Organza. Overly light and elegant, sweatband drawstring adjuster inside. Design: Wide brim, Elegant and charming designed,translucent,Leisure and formal integration, fantastic church hats for daily used. Suitable for different occasion: Would be great for Wedding, Bridal Shower, Tea Party, Concert, Evening Wear, Belmont, Ascot, Horse Races, Church, Art Photography,etc. One size fits all most average women's head: The formal style with fashionable lace pattern. One size fits 21-23 inch head circumference.For the first time using, Warmly suggest you use hair dryer to trim or steam ironing it ,make sure that the shapes of hat looks more high-end and elegant. Cleaning and maintenance: Dry Clean Recommend or clean it by wet cloth wiped.Do not wash frequently.Please put it in dry and clean place if you don't wear.