【High-Quality Material】This toddler sun hat is made of high-quality polyester fabric, UPF 50+ UV protection. The soft, quick-drying, breathable baby sun hat will keep baby cool and comfortable even in hot outdoor weather. The 2-pack package is more economical and practical, which is convenient for your children to wash frequently and can be matched with different clothes.【Excellent Sun Protection】This kids sun hat has the highest UPF 50+ sun protection rating, which can block up to 98% of UVA and UVB rays. The 3-inch wide brim and 5.4-inch long neck flap help to cover the child's face, ears, back and neck to better protect sensitive skin from sun damage.【Adjustable to Fit Kids Growth】Kids sun hats are available in two sizes: Small: 3-24 months fits head circumference 17.7-19.3 inches; Medium: 2-7 years fits head circumference 19.3-21.3 inches. The elastic headband and buckle on the back of the visor can adjust the head circumference for a comfortable fit. Perfect for your boy or girl, as well as older kids! So this durable baby hat is sure to grow with your little one for a while to come.【Safety Breakaway Chin Strap】This toddler sun hat has a chin strap to keep the head in place while the child is playing or the wind is blowing. Perfect for little girls and boys to play in the playground. A creative gift for your child, niece, granddaughter or grandson on birthdays, summer vacations or holidays.【Foldable & Occasion】This kids sun hat is foldable, saving space in your backpack or bag while maintaining its shape. A must-have baby sun hat for summer, suitable for toddlers to play on the beach or in the backyard, fishing, hunting, traveling, camping, boating and other outdoor activities.