Features: 1. Cotton + Polyester Material: This sun hat is made of high-quality cotton and polyester. The surface is smooth, the touch is comfortable, and the ventilation is good. It is made with a three-dimensional cutting technique, which is exquisite, durable, and safe without any toxicity. 2. Style: This hat features an integrated wide brim design, which can completely cover the face and neck. It is designed in a solid color, simple yet fashionable, and suitable for various occasions. It not only provides sun protection but also enhances the overall elegant appearance. 3. Foldable Design: It has a foldable feature, making it easy to fold and convenient to store. 4. Adjustable Style: The head circumference size of the hat can be adjusted, making it very convenient to wear. 5. Occasion: It not only provides sun protection but also serves as an excellent fashion accessory for travel. Attention: Due to the different display effects of computer monitors, the actual color of this product may slightly differ from the ones shown in the above pictures. Thank you for your understanding.  Color: Gray/Black Material: Cotton + Polyester Number: YH0920 Size: Suitable for head circumference ranging from 54 to 60 centimeters.  Due to the existence of human measurement errors, it is recommended that the error range be between 0.5 and 1 centimeter.  Package includes: Sun hat*1PC