Material: Polyester Head and tail: 54*59cm / 21.06"*23.01" Color: six colors 1. USB charging technology, built-in large-capacity battery, long-lasting battery life, enjoy a cool experience anytime, anywhere, suitable for outdoor activities and daily use. 2. The hat is equipped with an efficient small fan and a cool and breathable design to keep you comfortable in the hot summer. At the same time, it has a powerful sun protection function to protect your skin from UV damage. 3. Diverse color options to meet the fashion needs of different people, whether it is sports, travel or daily life, can show unique personality and style. 4. The product is lightweight and portable, easy to store, and can be put into a bag after folding, without taking up too much space. It is an ideal companion for travel, camping or daily commuting. 5. Made of high-quality materials, soft, skin-friendly, with a reasonable ventilation structure to ensure that it is still comfortable to wear for a long time, providing users with the best experience. Package includes:1pc Sun hat