Country of Origin: China; Product Material: Denim denim (single) and is suitable for a durable and lightweight hat. Size: You can adjust the size according to your own idea. The back of the hat is adjustable, but it is easy to adjust. The product is approx. 21.7 - 23.6 inches (55 - 60 cm) (adjustable). The hat style is fashionable, and can be used not only for everyday life but also for many other events such as outdoor Features: Metal buttons can be freely adjusted to size. Recommendation: When washing your hands frequently, rub it on the laundry desk without applying too much pressure.