Foldable UV Summer Sun Hat with Wide Brim, Adjustable Size, Ribbon Bow - SPF 50 Polyester, Paper Straw Womens sun hat created from ribbon and straw sewn together, SPF UPF Protection 3.50 inch wide floppy brim shields you from the sun Packable design, just fold and roll to store in suitcase or bag One size fits most up to aprx. 24 inches Ribbon trim accent ties in back and may be used to reduce size of hat if needed