Features: Material: quick-drying fabric and cool in summer. Adjustable mini fan, suitable for most head. Suitable for most people, with Neck Flap. Great gift for your family and your friend. Suitable for sports, outdoor, daily and party wear. This hat can shade and decorate, also play good role in modifying your head, gift for yourself / give it to others. Specifications: Material: Quick-drying Fabric Head Circumference: About.54-60cm/21.26-23.62inch Color: 4 Option Package Includes: 1x Sun Hat note: 1.Please allow 0-2cm errors due to manual measurement, makesure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.