Sesame Street Headwear Unisex-Baby Newborn Cookie Monster Infant Bucket Hat with Chin Strap 100% Polyester Imported Hand Wash Coppertone sun protection, UPF 50 plus blocks 98 percentage of UVA and 99 percentage of UVB Sun protection is actually woven into the fabric, not sprayed on, and will not wear out Fabric is stain resistant, wrinkle-proof, shrink-proof and meets the highest standards in wicking and moisture management 100 percentage recyclable polyester and gives the look and feel of cotton and the performance of polyester Fun designs make it easy to keep your children?s heads safe from overexposure to the sun