Fabrication: Polyester and Ribbon Fix way: Headband Size: One size for teens, girls and ladies (Head measurement: 55 cm, 21-5/8", Size 6-7/8 to 59 cm, 23-1/4", Size 7-3/8) Diameters of hat base: 40 cm Colors to choose: Black, White Great for Kentucky Derby, Royal Ascot, Cocktail Party, etc.