Polyester,Organza Drawstring closure Hand Wash Only Material: organza, 100% polyester. Translucent and breathable. Head circumference size: 22.04 inches- 22.63 inches, brim width 5.11 inches. Has sweatband inside and wide brim with veil woven floral, which is exquisite. Vibrant colors that go well with outfits. Suitable for various formal occasions: Derby day, church, tea party, wedding, horse race, garden party, Gatsby picnic, funeral, ascot race, cocktail party, religious gathering, etc. Tips: Ironing with a hair dryer or steam is recommended to ensure the shape of the hat looks premium and elegant. Wiping with a damp cloth is recommended.