【Material】 Kids sun hat is made of premium 100% nylon, which is breathable, quick-drying, lightweight and comfortable wear. Featured wide brim and mesh vents for cooling airflow through the crown and back flap. 【UV Protection for Head and Neck】 UPF 50+ Kids Sun Hat Blocks 99% of UV Rays; Our hiking hat features a 2.75 inch brim and extra back coverage, providing a better protection for your child face, ear and neck and maximum outdoor fun 【Adjustable To Grow With Your Kid】50-54cm/19.6-21in girth; Elastic string with toggle at the back is easy to adjust the size if it is too loose or tight,One size fits most children aged 2-8 【Packable and Foldable】 The kids bucket hat is foldable, it packs down to a compact size and easily stows in a bag, backpack, or luggage for your next travel adventure. 【Occasion】The lightweight, durable and packable unisex girls boys summer bucket sun hat designed for the outdoors, your kids can wear this beach hat when hiking, playing at the beach, outdoor play hat for fishing, safari, travelling, camping, boating, & more!