GREAT FIT: One size fits most, It fit (21.3 inch ~22.8 inch) head circumference.( Inside sweatband drawstring can adjustable ) HIGH QUALITY: High quality import organza, 100% polyester. Encryption yarn which is much better than General yarn. DALIY WEARING: Up-to-date style, simple, chic and cozy. Formal used for Church / Kentucky Derby/Ascot Race/Cocktail Party / Wedding /race day events/ Tea party / Outing travel /shopping/formal occassion/outdoor hat. EASY WASH: Dry clean only! You can use tape to touch the surface of the float or dust if necessary. Recover it by STEAM IRONING if there is crease during rude shipping or not used for a long time, air dry immediate after smooth. 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.