Adjustable Size–Free size,Each hat can be adjusted to fit most people’s head circumference. Special design — Simple design with bling rhinestone studded, makes you look charming and fashionable. UPF 50+UVA/UVB Sun Protection.Confortable to wear.We pursue high quality and only high quality can show your glamor and good taste. Suitable for beach holiday,travel,outdoor activity such as golf,camping,hiking,cycling,running,climbing,fishing and so on. Satisfaction Guarantee: We are promising to providing you with the highest quality and full customer satisfaction. If you have any problem with this product, you can contact us.