Product Details:EXCELLENT SUN PROTECTION: The toddler sun hat is of the highest quality, UPF 50+ sun protection, blocks up to 98% of UV rays, and its 2.9" wide brim and 5.4" long neck flap helps cover children's faces, ears, backs and neck for better protection of delicate skin from sunburn. It is definitely the best summer companion for active children who like to play outdoors. Grows With Kids: Kids sun hats come in two sizes; Small: 12-36 months fits head circumference 18.1-19.7 inches; Medium: 3-7 years fits head circumference 19.7-21.3 inches. The elastic headband and cord lock on the back of the visor can adjust the head circumference for a comfortable fit. So this durable hat is sure to grow with your child for a long time. 【Smart Function】Kids sun hat is equipped with a zippered chin strap, which can ensure children's safety from suffocation; at the same time prevent the hat from being blown away in windy days, which is the safest way to put the sun hat on your baby's head. Perfect for girls and boys having fun on the playground. Definitely an ideal gift idea for your child, niece, granddaughter or grandson on birthdays, summer vacations or holidays. High Quality: This cute toddler summer hat is made of skin-friendly, soft, breathable, lightweight, quick-drying nylon fabric, even if the hat gets wet with sweat or light rain, it can dry quickly. The mesh panels on both sides greatly increase the air circulation, prevent your child's head from sweating, and keep your child cool and comfortable in the hot summer. FOLDABLE AND STACKABLE: The waterproof cap folds flat to save space in your backpack or bag while maintaining its shape. Perfect for vacation, travel, beach play, fishing, hiking, biking, boating, walking, sightseeing, walking the dog, park, safari, or any other outdoor activity. Your little one will be complimented wherever they go Package includes: 1*kids sun hat Kids sun hats come in two sizes; Small: 12-36 months fits head circumference 18.1-19.7 inches; Medium: 3-7 years fits head circumference 19.7-21.3 inches. The elastic headband and cord lock on the back of the visor can adjust the head circumference for a comfortable fit. Foldable and packable with UPF 50+ sun protection