Siggi Womens 100% Raffia Straw Crochet Hat Foldable UPF Seashell/Bow Decoration 100% raffia straw crocheted. SIZE: best fit for 56-58cm 22"-22.8" 7- 7 1/4, with an adjustable tape built inside the sweatband. FOLDABLE: packable, crushable, NO crease! Great for cruise, travel, gardening, boating or beach vacation. The durable invisible wire around the brim keeps shape not being floppy; 3" wide brim could be flipped up or down as you wish. DETACHABLE CHIN STRAP: adjustable for a snug fit; won't blown off when it gets windy. When ships from and sold by Comhats, it takes 8-12days to be delivered. If you hope to get a PRIME service, please choose "Sold by Comhats and Fulfilled by Amazon".