100% Polyester Retractable closure 【Adjustable size】Women's visor has a brim length of 3.7 in, a brim width of 8.3 in, 13 in after opening the retractable brim on both sides, a cap circumference of 22-24 in. 【Excellent material】Our sun visor hat is made of high-quality polyester and has the function of breathable and sweat-absorbent.