1Made of lightweight and breathable fabric, soft and stylish, providing good ventilation. 2The wide edge can reduce the passage of sunlight and protect children from ultraviolet rays. 3The safe, adjustable chin strap helps to ensure that the hat stays in condition on windy days, making it ideal for daily wear. 4The adjustable head strap allows you to customize the size of your baby's head to wear it throughout the day and extend the use time. 5The foldable design makes it easy to carry, convenient for storage, outdoor activities and travel.