Little Kids Children Reversible UPF 50 Beach Cap Sun Hat Material: Polyester Hat circumference: 19.7"-20.5"; wide brim 3.9" Cute style for double sides fitting: one side is in solid color, another side is vivid stelleroid printed; wide brim for well sun protection; back velcro for size adjustment and easy fix; Fairy Wings is a registered brand which is protected by American trademark law.