100% Polyester ******Design: Ladies Organza Derby Church Dress Hat.We have a ton of church dress hats in a ton of colors. Diversify and latest styles will meet all your need. ******Material: Satin. 100% Polyester. Encryption yarn which is much better than General yarn. ******Shipment: Recommend to choose ??FULFILLMENT BY AMAZON?? for prime member and urgent need, it is free return and exchange, fast shipping and low cost. One day shipping is available. Customers preferred. ******Size: One size fits most 56~58cm head circumference, with strap inside, it is adjustable. ******Occasion: Formal used for women. If you are looking for a graceful hat for formal dress, it will be great! Best choice for Church / Kentucky Derby / Ascot/ Horse racing /Cocktail Party / Wedding / Tea Party / Bridal Shower /Baptismal or other formal occasion.