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; 3.3 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.