SwimZip's "Fun Sun Day Play Hat" is the perfect sun hat for babies, toddlers, and kids. The wide brim and sun protective material help keep the head, face, and neck protected from the sun's UV rays. Created with SPF 50+ sun protection material, these cute hats will keep kids sun safe all day long. Our "Fun Sun Play" hats feature and adjustable tightener around the head for easy size adjustments and a chin strap to keep the hat on for the breezy beach days! Plus the wide brim and UPF 50+ material block over 98% of UVA and UVB rays.