Using high-quality polyester fabric to make bucket hat, fast drying and wear-resistant. Specially equipped with adjustable drawstring. The drawstring is located inside the hat circumference, and through a simple pulling operation, you can easily adjust the tightness of the hat according to your head circumference size. During travel, it can be conveniently stored in luggage without taking up too much space, and can be taken out and worn at any time when needed, adding highlights to your travel photos and recording fashionable and comfortable travel moments. 22 4/5'' Dia