Polyester, Mesh Material: Organza & Polyester. UV-Anti, Foldable, Breathable and Comfortable. SIZE: One size fits most. 4.7inch brim width, 21.3inch ~23.6inch head circumference, Inside sweatband drawstring can adjustable to size-fit to your head. DESIGN: Elegant and charming designed with stripe translucent and mesh bowknot. it’s new style in 2019. Very popular in daily, party or formal occasion, suitable for summer holiday vacation to protect your skin. OCCASIONS: Perfect for everyday wear or a fancy event, like Wedding, kentucky derby, Garden Party, outdoor tea, grand national, melbourne cup, or eligious gatherings, holiday, picnic, sports cycling, camping, hiking, fishing, boating. Great for ladies and girls. Cleaning & Maintenance: For the first time using, if the transport causes the sun hat to have small folds or be squeezed, 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. Do not wash frequently, please put it in dry and clean place if you don’t wear.