100% Paper Straw Size: One size w/ Adjustable string string Head measurement: 56cm, 22, Size 7 to 58cm, 22-3/4, Size 7-1/4 Brim: 1-1/2 Height: 4-3/4 – classic high crown/ stiff body Occasion: A day in the sun, everyday wear, a day or night out on the town, bbq party, house party, beach party, pool party, sun bathing, sailing, outdoor picnics, derby, boating all outdoor activities for sun protection. Formal attire, weddings, cocktail party, church and religious gatherings. Kentucky Derby, horse races, charity events. Perfect for vacation and cruise attire. Stuff crown with clothing and pack around the hat in your suit case.